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Quantum fluctuations in science, space and society, from quarks to Hubble and Mars. Served up by Alan Boyle, NBC News Digital science editor. E-mail Alan, or connect via Facebook, Twitter or Google+.

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  • 22
    Dec
    2009
    10:12pm, EST

    Decades of future science

    NASA
    An artist's conception created for NASA in the 1970s shows a double-barreled space
    colony in action. Today's visions of the future are different, but just as grandiose.


    Cloud science? Solar-power primacy? Affordable clean-energy cars? Space colonies? Super-centenarians galore? These are some of the visions put forward for the next 50 years in science and technology.

    The past 50 years have set a precedent of sorts for the next half-century: Back in 1960, folks may have assumed their children would be riding rockets to other planets, finding signs of alien life and interacting with intelligent machines - all of which are featured in Arthur C. Clarke's "2010: Odyssey Two" as well as the film based on the book.

    The issues that scientists and engineers faced from then up to now have turned out to be more complex than they seemed in 1960. Getting to the moon wasn't a sustainable proposition, and right now it's not clear when anyone will ride a U.S.-made rocket out of Earth orbit again. The evidence for life or even livability beyond Earth is still not in hand, although there have been tantalizing hints from Mars. And for better or worse, machines have not yet reached anything close to HAL 9000's level of intelligence.

    That doesn't mean scientists have been standing still: In some ways, we've come farther in the past half-century than we did in any previous century - as evidenced by this 50-year timeline of discovery. Among the leading fields have been medicine and genetics, information technology and cosmology.

    In the next 50 years, we may well fall short of the breakthroughs we expect - but unexpected discoveries will pop up to keep life interesting. Here are a few of your predictions for the next decade and the next half-century:

    Jeff Simmons, San Diego: Augmented reality (textual/graphical information superimposed over reality) will become an integral part of our lives. Once interfaces such as glasses, windshields and other mobile surfaces become display technologies connected wirelessly to mobile devices (think smartphones on steroids) we will come to depend on this flow of just-in-time information: Want to work on your car's engine? View a schematic that gives you the part's location and the steps to carry out. Looking at a product? See comparative pricing and reviews. Looking at a piece of art? Learn more about the artwork and the artist. Looking at a person you've met before? See their name, where you last met, birthdate, etc. ... and the list goes on.


    Bruce Core, Sunriver, Ore.:
    I'm just a casual observer and marvel at the advances presented, but it seems something belongs on the list about automotive propulsion advances in the past decade and the next. Hydrogen, electric, solar, fossil fuel, air and other propulsion systems have been undergoing tremendous innovation. Perhaps most useful is the reinvention and miniaturization of the storage battery. ...


    Onevoice, Frederick, Md.:
    Things to look for in the next 10 years:
    1. Real evidence of global warming will be realized. It will be worse than the deniers believe but also not as bad as the doomsayers claim.
    2. Middle East countries will still be rattling their sabers. Only now, Iran will become a nuclear power.
    3. For all their effort, CERN will still not find a Higgs boson.
    4. Commercial suborbital and orbital spaceflight will become a viable business.
    5. Gas prices will go up. Battery prices will drop and we'll all be driving plug-in hybrids.
    6. Astronomers and physicists will come together to realize that there is more matter and energy in the universe than previously realized and significantly revise their estimates about dark matter and dark energy.
    7. The first example of a true artificially intelligent computer program will be created ("Open the door, HAL").
    8. Commercial and residential solar power costs around the world will drop low enough that it will disrupt the economies of several oil-producing nations.
    9. The first Earth-sized, Goldilocks Zone, extrasolar planet will be discovered.
    10. Life will be found, active or dormant, underground on Mars.
    Two suggestions for the next 50 years: First permanent human colony off Earth and first discovery of an extrasolar world that shows signs of organic processes.

    Robert Bynum, Beaumont, Texas: I don't think we will have an answer on the question of global warming, either yes or no, since it is a political question at this point. However what I do hope to see in the next 10 years:
    1. Sucessful treatment of diabetes with adult stem cells.
    2. Discovery of extrasolar planet with near-Earth conditions.
    3. Brain-computer prostheics for amputees.
    4. New treatments for Alzheimer's disease that at least halt its progression.
    5. Home diagnostics for many diseases and home-based treatments of disease that will cut the cost of health care.
    6. New treatments for obesity to curb this growing health threat to our country.
    7. Cell phone apps that will act as a health monitor for heart disease, blood sugar levels, and a general overall state of health that people can use for on-the-go diagnostics. These apps would be combined with advanced diagnostic software and connected to emergency services. Sort of an OnStar system for the body.
    8. More progress in human genome research to identify treatments for genetic diseases.
    9.  An economical system for completely burning carbon fuels with no byproducts other than CO2 and water, and recycling the CO2 for use as fuel.
    10. Switching of most of our automobiles to gas/electric hybrids or plug-ins, with 400-mile range of travel. ...

    McKinley Hill, Morgantown, W.Va.: Even with NASA's amazing accomplishments, the debate about moon vs. Mars shows it's likely that robotic exploration will precede a lunar colony, which might even be the result of private enterprise rather than the efforts of government-sponsored astronautics. The potential for helium-3 on the moon is substantial, especially if a third-generation fusion reactor can be developed, because of the complete absence of radioactive waste.  Tourism is another valid reason to develop the tech, it may have lessons to teach on terraforming and colonization techniques. Moon vs. Mars? Let's do both.

    Kevat Shah: Many new ideas and inventions will come to be in the next few years:
    1. Automated flying cars.
    2. Domestic and military humanoid robots.
    3. Cure for cancer and AIDS.
    4. "Space Jam" -  an amusement park in space or on the moon.
    5. Mining colonies on moon (run by the aforementioned humanoid robots)
    6. Medical nanobots - ones you can put into your body and then control them/see through them.
    7. Immortality - through perfection of human cloning and organ transplantation.
    8. Bio-implant chips, allowing us to have telepathy-like abilities. These chips may also directly connect your brain to the Internet and act as a computer.
    9. Virtual reality - Glasses which show you a world that isn't there
    10. The theory of everything.

    The power curve
    Some of these forecasts touch upon the predictions put forward by inventor/futurist Ray Kurzweil, having to do with three kinds of power: the power for our vehicles and devices, computing power, and our own staying power.

    Controlled nuclear fusion power or space-based solar power would be great, and we might indeed have those alternatives sometime in the next 50 years. But the way Kurzweil sees it, cheap terrestrial solar power is the energy source that will keep the lights on. Last year, he told me he expected the per-watt cost of sun-generated electricity to equal the cost of fossil-fuel energy by 2014 - which would set up the "tipping point" for a solar-dominated energy economy by the 2030s.

    Kurzweil is also well-known for his view that humans can extend their longevity quickly enough to beat the Grim Reaper. That's the theme of his latest book, "Transcend," co-written with Terry Grossman. Some of the later steps in the process - such as developing injectable nanobots, infusing our blood with artificial respirocytes and reverse-engineering the brain - sound as way-out as Arthur C. Clarke's science fiction does. There's also a chance that limits will be placed on biomodification, just as the scientific community placed limits on DNA modification in 1975. But who am I to rule out a breakthrough before it breaks?

    So how could we possibly get from here to there? Futurists assume that the pace of technological change will continue to accelerate as computers become increasingly powerful and increasingly interlinked. That's the basis for Kurzweil's claim that machines will match human intelligence in the next 20 years or so. He says that will set the stage for a "singularity" in the mid-2040s - an event beyond which it's impossible to foresee humanity's future.

    Cloud science ... for humans, too
    Part of the power curve has to do with the move toward "cloud computing," a process for massaging information on linked computers instead of stand-alone machines. The Energy Department is already using the cloud-computing paradigm for its research. So are the scientists at the Large Hadron Collider, and NASA has been experimenting as well. This approach, also known as grid computing, promises to revolutionize how science is done.

    It's not just the machines that are coming together into grids. Citizen scientists are doing something similar through projects such as Galaxy Zoo. I can imagine a time in the not-so-distant future where large-scale experiments routinely farm out their data to be run on garden-variety computers, tended by knowledgeable science enthusiasts under the supervision of professionals. That won't render the scientific method obsolete. Instead, it could well create a whole new market for the method.

    Should we fight the rise of the machines? Will cloud-science cooperation help humans learn to get along? Feel free to weigh in once again with your thoughts about the coming decades in science and innovation.


    Don't miss the "Year in Science" and "Decade in Science" reviews from last week, and stay tuned for the Weird Science Awards on Wednesday. Join the Cosmic Log team by signing up as my Facebook friend or following b0yle on Twitter. And pick up a copy of my new book, "The Case for Pluto." If you're partial to the planetary underdogs, you'll be pleased to know that I've set up a Facebook fan page for "The Case for Pluto."

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  • 2
    Dec
    2009
    8:25pm, EST

    Pick your geek gift

     

    StarWars.com
      The "Star Wars Force Trainer" turns brainwave training into a sci-fi game.


    What do you get a science geek? A perfume chemistry set? A brainwave-operated toy? Here's your chance to vote in the top geek gift of 2009 and help somebody win a prize.

    This year's suggestions fit a wide range of holiday gift budgets, from a cute plush common-cold  virus ($7.95) to a hand-crafted retro robot ($24,500).

    The robot, a replica of B9 from the old "Lost in Space" TV show, was recommended by Michael Joyce - who founded the Next Giant Leap team to go after the multimillion-dollar Google Lunar X Prize. Joyce says that profits from the B9 sales will help support his team. That's one small step toward a moon landing, and too much of a leap for my bank account.

    Other correspondents were anxious to find out exactly where you can buy the nuclear-powered toys known as spinthariscopes. Just click here to check 'em out (at $30 apiece) on the United Nuclear Web site, which has lots more fun science stuff.

    Longtime Cosmic Log correspondent Dennis McClain-Furmanski suggests giving your geek-in-training a model-rocket starter kit, which costs somewhere around $40 to 50.

    "Getting them just the rocket gives them something to make," he writes. "To really give them something special, give them something to be." Membership in the National Association of Rocketry will keep young rocketeers on track as they grow older.

    "If this is for a young person, buy them the stuff and memberships, and buy the same for yourself so you can give them (and yourself) the very best kind of gift - give of yourself and your time by joining them in the hobby," McClain-Furmanski says. "It'll mean a lot more to them and they'll get more out of it, and you can get the same."

    Words to live by, Dennis.

    Here are the other top entrants in this year's competition for top geek gift of 2009, with the earliest suggestions listed first:

    • Nerdy baby alphabet onesies: $35 for a set of three from Etsy. "Seattle science teacher mom offers baby onesies to prepare your baby for geekdom ... ABCs, A is for amoeba, B is for base pair..." - Sally James

    • Star Wars Force Trainer: $129.99 from Star Wars Shop. "Uses EEG sensor technology to 'read your mind' and control a ball with thought alone. The deeper your concentration and mental focus, the greater your ability to move the Training Sphere up or down the Training Tower." - Buddha Dude  (Check out this video for evidence that the darn thing actually works).

    • Perfume Science Experiment Kit: $59.95 from Edmund Scientific. "I was in fourth, or maybe fifth, grade when I got this for Christmas, and that was it. I was hooked for life. I became one of the few girls in my school who excelled in all of the science classes. I already loved astronomy, of course, I remember sitting and watching Neil Armstrong, on television, as he walked on the moon. My little telescope wasn't quite enough to see that, much to my regret. But with this perfume chemistry set I expanded my love of science in all its glory. I can't imagine a better gift for a young girl. She'll learn it can be fun to 'get your geek on.'" - Vickie Gibson, Bonita Springs, Fla.

    • Beer Ants: $29.95 from BeerAnts.com. "A gel ant farm in a beer mug. A lot of geek and some nerd, too. It must be true - I own one." - Antonio D'phault

    • Calabi-Yau Manifold Crystal: $89.95 from Edmund Scientific. "I actually found this one last year after I had submitted the XKCD T-shirt idea for the 'Geeky Gifts' ideas, and I ended up purchasing one for my desk. My geeky gift idea this year is the Calabi-Yau Manifold Crystal, which is a crystalline theoretical representation of the space taken up by the six dimensions following length, width, height and time in classic string theory. If you're a geek, you should recognize it for what it is: a model of the smallest theorized parts of the universe. If you're not a geek, it's equal opportunity as a beautiful light cube. It still amazes me that you can turn it from x-axis to y-axis to z-axis and still not recognize how each shape transforms into the others." - Andrew Meeusen, Mesa, Ariz.

    • Giant Microbe: $7.95 from X-tremegeek.com. "Awesome giant plush microbes. The giant cold [virus] is especially adorable, in a weird sort of way." - H.

    • 01 LED binary watch: Various styles, generally ranging from $129 to $200. "I got one of these from my husband last year and all my geeky engineering friends are very jealous!" - Pat Kasper, Florence, S.C.

    • Family DNA testing: $295 from AncestrybyDNA.com. "How much geekier can you get than DNA? This company sells a unique ancestry DNA test that shows you where your earliest ancestors are from (for example, European, Native American, Asian, African). ... I'm thinking about buying one for my sister because she does all the family tree research for our family." - Duke Plesent. (I'll just add that genealogical DNA analysis services are available from a wide variety of providers.)

    Just register your vote (or your write-in suggestion) as a comment below. Make sure you clearly indicate which one you're voting for. The suggestion with the most votes as of 3 p.m. ET Dec. 10 will win a prize: either a signed copy of my book, "The Case for Pluto," or an alternate book from the Cosmic Log shelf (for example, "Planetology" or "Hubble: Imaging Space and Time").

    Your write-in suggestion could still come away with the prize if you line up enough supporting votes by the deadline. May the best geek win!


    Join the Cosmic Log team by signing up as my Facebook friend or following b0yle on Twitter. And pick up a copy of my new book, "The Case for Pluto" - the perfect geeky stocking-stuffer. If you're partial to the planetary underdogs, you'll be pleased to know that I've set up a Facebook fan page for "The Case for Pluto."

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  • 25
    Nov
    2009
    10:13pm, EST

    Give us geeky gift ideas

     

    John Brecher / msnbc.com
      Night-vision goggles can teach kids important scientific lessons about, um, the electromagnetic spectrum?


    Plenty of gift guides point you to high-tech gadgets, but how many point you to nuclear-powered toys?

    How many guides rely on the geeks themselves to tell us all about the good stuff? And how many offer actual goodies for the best ideas?

    For the eighth year in a row, we're presenting holiday gift suggestions for the science-minded, and we're depending on you to deliver.

    Here's how it works: You submit your ideas for geeky gifts as comments below. Next Wednesday, we'll offer up a selection of the most promising ideas, and you'll get to vote for (and comment on) your favorite.

    The top vote-getter as of 3 p.m. ET Dec. 10 will win ... drumroll, please ... a signed copy of my just-published book, "The Case for Pluto." Unless you have the book already, or just would prefer something else. In that case, you can choose between these coffee-table books: "Hubble: Imaging Space and Time" by David Devorkin and Robert W. Smith, "Planetology: Unlocking the Secrets of the Solar System" by Tom Jones and Ellen Stofan, or "Apollo: Through the Eyes of the Astronauts."

    When you make your suggestion, emphasize the link to the science involved. For example, there are lots of oddball techie gifts out there, but what we're looking for is the Higgs boson plushie you can hide in your particle-collider pop-up book. There are lots of cool iPhone apps, but we want to hear about the app that puts a planetarium in your palm. There are lots of gifts for geek kids, but we're interested in the magic wand with a Van de Graaff generator inside.

    Gizmodo gets it in these roundups of gift ideas for space geeks and science nerds - although if you have suggestions for science books, there's an app for that already. As usual, Wired.com's GeekDad already has a voluminous roundup of gift suggestions, including my personal favorite, the EyeClops night-vision binoculars. You can get them in a premium package with the "Modern Warfare 2" video game, but I'm afraid shooter games just aren't my thing.

    Here are some of the best places for the things we're talking about:

    • Edmund Scientific: The granddaddy of all scientific stores.
    • Educational Innovations: This stuff looks too fun to be educational.
    • Robot Snob: Check out their gift guide. Dinobots for dino geeks!
    • Sheldon Shirts: Don't need to be a fan of "TBBT," but it helps.
    • ThinkGeek science toys: The sweet spot for science thingies. 
    • Xkcd store: Where you can find last year's winning geek gift.

    And here's where you can find our geek gift guides from previous years:

    • The gift of science (2002)
    • For the scientist who has everything (2002)
    • Toy traditions go back to the future (2003)
    • Your toys will be assimilated (2004)
    • Gifts for space geeks (2004)
    • Find your star (2005)
    • The top gift for science geeks (2006)
    • Season's readings for kids ... and for grown-ups (2007)
    • What to get a geek ... your ideas ... and the top geek gift (2008)

    I hope all this is enough inspiration for you. Now it's your turn: Leave your gift suggestions for science geeks in the comment box below.


    Join the Cosmic Log team by signing up as my Facebook friend or following b0yle on Twitter. And pick up a copy of my new book, "The Case for Pluto." If you're partial to the planetary underdogs, you'll be pleased to know that I've set up a Facebook fan page for "The Case for Pluto."

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  • 17
    Nov
    2009
    7:45pm, EST

    Stellar views of meteor show

    Malcolm Park
    A fireball seems to shoot right through a house in Grafton, Ontario. Malcolm Park
    captured the image as he was setting up to photograph meteors on Monday night.


    This week's Leonid meteor shower may not rise to the level of a shooting-star storm, but it's certainly producing a flurry of fine-looking pictures.

    November's Leonids are one of the year's best-known annual meteor displays, ranking right up there with August's Perseids. But the strength of the Leonid shower can vary greatly from year to year, depending on Earth's precise orbital path. In 2001, for example, our planet went through a relatively dense stream of debris left behind by Comet Tempel-Tuttle, producing peaks estimated to range as high as 3,000 meteors per hour.

    This year's shower isn't nearly that spectacular: Based on initial reports, the peak rates for North American observers were in line with predictions of 20 to 40 meteors per hour. Astronomers say that Asian observers are better-placed than Americans this year, and could see as many as several hundred per hour under optimal conditions.

    On the Meteorobs mailing list, some observers complained about being "clouded out" by inclement weather, while others exulted over their good luck. "I captured a Leonids picture last night!" skywatcher Mike Hankey declared in his posting.

    Malcolm Park of Grafton, Ontario, had a similarly lucky strike when he was setting up for a Leonid photo shoot on the shore of Lake Ontario. He was in the midst of taking a test picture of his friend's illuminated home, just before 9 p.m. Monday, when a flash seemed to zip right through the house.

    "Out of nowhere, a brilliant fireball fell straight to the north, changing colours as it fell. I was astonished to see that I had captured the entire event on my display," he wrote in a message to SpaceWeather.com. The eerie result can be seen at the top of this item.

    For an amazing animated image showing the flash and disappearance of another meteor streak, check out this page on Park's Web site. 

    Martin McKenna observed scores of meteors from his vantage point in Northern Ireland - including one he called "the most incredible Leonid fireball of my life." His photos show a colorful train of smoke wriggling through the night sky and disappearing.

    "I was frozen with astonishment and only managed to get these images as it faded," he told SpaceWeather.com. "This was a sight I shall never forget!"

    And the Leonids aren't over yet. Although astronomers say the peak has probably passed for North American observers, you can still see plenty of night-sky sights, and this guide should help.

    For more views of the meteor show, check out SpaceWeather.com's roundup. We also received several pictures of sky wonders via our FirstPerson Web page, not necessarily having to do with the Leonids. Here's a selection to click through:

    • A glowing patch of sky that Vicki Naugle saw in January. "I first saw this 'Ball of Light' hovering above the trees for about five to seven minutes while traveling 55 mph westward on Highway 90, just past Seminole Landing, Alabama," Naugle wrote. "I grabbed my camera and when I snapped the picture, the light had already traveled above the clouds! The moon is in the upper left-hand corner!"
    • A classic "Harvest Moon" setting behind the Ten Mile Range near Breckenridge, Colo., submitted by Daniel McVey.
    • A pair of brilliant, rainbow-tinged sundogs that bracketed the setting sun at White Sands, N.M., during a tour on Oct. 27, 2007. Photographer Matt Falk also sent along a zoomed-in view of the sundog on the right, with fellow tourists taking it all in.
    • One of my favorite pictures is Falk's view of a sun halo surrounding a gnarled tree. "I was hiking through Bryce Canyon, Utah, on a slightly overcast morning (July 11, 2009)," Falk explained. "At some point, I put on a pair of sunglasses, and this halo around the sun leapt out at me! I needed to use my polarized filter on my camera bring out the same effect here, after standing behind the tree to block out the glare of the sun."

    For still more sky oddities, check out our fall picture roundup.


    Join the Cosmic Log team by signing up as my Facebook friend or following b0yle on Twitter. And pick up a copy of my new book, "The Case for Pluto." If you're partial to the planetary underdogs, you'll be pleased to know that I've set up a Facebook fan page for "The Case for Pluto."

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  • 7
    Aug
    2009
    12:30pm, EDT

    Silly mysteries solved

    Duane Hoffmann / msnbc.com
    Where do missing socks go? Would you believe they drop into a mini-black hole?


    Now let us consider cosmic mysteries of a completely different sort ... for instance, why do socks disappear in the laundry?

    Many hypotheses have been put forward: The eminent thinker Jerry Seinfeld once proposed that socks carefully plan their escape. Another researcher invokes quantum mechanics. Some crackpots even suggest looking under your washer's agitator or in your closet. Can you believe that?

    Last weekend, an eminent panel of theorists (including myself) gathered to reflect upon "cannibalistic socks" and other riddles at the SpoCon science-fiction and fantasy convention in Spokane, Wash. I think we may have made as much headway as the Solvay Conference did back in Einstein's day. Here's the rundown on our results:

    Where disappearing socks go
    Some people have suggested that socks go missing in the laundry because a space-time warp somehow transforms them into belly-button lint and dust bunnies that appear out of nowhere. That's only half-right. Take a look at this diagram of the modern clothes dryer, then note the similarity to this picture of the ATLAS detector at Europe's Large Hadron Collider. Is that mere coincidence?

    I didn't think so.

    Dryers have been spinning away since long before the LHC was ever conceived, driving socks into collisions so energetic they build up powerful jolts of static electricity. Can anyone deny there's a chance - even if it's a 1-out-of-10500 chance - that such collisions could generate miniature black holes? And can any scientists truthfully say there is absolutely zero chance that such black holes could grow large enough to gobble up one of a pair of socks, leaving the other behind as a kind of laundry-hamper Hawking radiation?

    I didn't think so.

    Ladies and gentlemen, I give you ... the Not-So-Large Ban-Lon Collider. Your laundry room contains a device perfect for doing small-scale experiments in string theory. (Or is that yarn theory?)

    Interstellar travel
    How can we possibly get to other stars? Some at SpoCon held out hope for the Heim Drive, a device that is supposed to convert gravitational energy into electromagnetic energy and send spacecraft zooming through shortcuts in space-time. The last time I wrote about this, theoretical physicist Lawrence Krauss told me the idea was "completely crackpot," but some Cosmic Log correspondents thought that judgment was way too harsh. I'm not sure which would take longer: making the centuries-long trip to Alpha Centauri using existing propulsion technology, or finding a way to build an honest-to-goodness warp drive.

    However, there is another possibility that I'm surprised hasn't gotten more attention. It's a little something I call the Clerk Drive.

    Have you ever noticed how hardware-store clerks seem to disappear instantly the moment you need advice on whether to buy the 5/16 or the 11/32 doohickey? I do believe many of them have mastered the knack of quantum teleportation to the break room, achieving what is effectively faster-than-light speed over short distances. All we need to do is find a few with a sense of enterprise, give them a title and put them in command of our first starships. The title? That's obvious: Captain Clerk.

    Perpetual motion
    Talking about breakthrough propulsion naturally led to the search for a perpetual-motion machine - and the solution to that perennial poser has been known for a long time. Because cats (like geckos) always land on their feet, and toast always lands on the floor buttered-side down, all you have to do is attach a buttered-side-up piece of toast to a cat's back (or to its feet, in an alternate design). Logic dictates that when you throw the cat up in the air, it should levitate above the ground like a frog spinning in a solenoid.

    Some theories suggest that you could channel "cat-toast" power by attaching a turbine to the spinning cat, as shown here. The effect would last only as long as the cat stayed alive, but you could get around that limitation by putting the cat in a box with a radiation device. That way, there's always a 50 percent chance that the cat is alive ... as long as you don't open the box.

    The only problem is that a recent study has questioned the whole antigravity cat hypothesis. This research claims that the cat would land on its feet, but the toast would eventually flip buttered-side-down anyway. The probability of that happening hits 100 percent if the cat can find an expensive carpet to curl up on.

    Mars and the Maya
    When I got back to the office, I came across a couple of e-mail messages on matters that were just as much on the scientific fringe - but motivated by serious concerns. One was from Mariele Bogran, telling me that the Great Mars Hoax ("Mars will be as big as the moon in August") was starting to get mixed up with tales of the coming Maya apocalypse:

    "I am writing to inquire about the Mars hoax. Recently a similar e-mail to the one you have mentioned came to my attention. After looking for some facts to back it up I immediately came to find the Cosmic Log you posted last year. Now, I live in Honduras, and as you may know, the Mayas had a great empire here in Copan. The Mayas predicted the Mars sighting in their calendar thousands of years ago. So this e-mail has been creating quite a buzz in Copan. Proposals for a major festival and activities revolving around the Mars sighting are being drawn up. However, before any further steps are being taken, I would like to confirm whether the claims in this e-mail are true or false. ..."

    If the e-mail to which Bogran refers is the same one that makes the round every August, it's a garbled version of outdated truth. Back in August 2003, the planet Mars was closer to Earth than it had been in tens of thousands of years. If you peered at it through a telescope under the best conditions, the Red Planet might have looked as big as the moon does when seen with the naked eye. But Mars will never come as close as the moon, and the planet poses absolutely no danger to Earth.

    This month isn't a particularly good time to observe Mars. The next close encounter is due in January 2010. At that time, it will be almost twice as far away as it was in 2003 - as illustrated on this Web page. By the way, it'll be even farther away in 2012, when the ancient Maya calendar silently resets itself.

    The 12th planet
    My reports about Jupiter's Great Black Spot prompted this question from Danilie Howe: "Could the spot on Jupiter be the 12th planet?" That's a reference to the Nibiru legend, which claims the Sumerians knew about a faraway planet that periodically entered the inner solar system and created havoc on Earth.

    I dashed off a quick note saying that the impact was likely caused by an object that measured only a few hundred meters (yards) in width - far too small to be a planet. Howe wrote back, asking if I knew where the 12th planet was.

    If she meant a threatening planet like Nibiru, my answer would be that such a planet is not known to exist. As I write in Chapter 13 of "The Case for Pluto," a large planet could theoretically exist far out on the fringes of the solar system, perhaps out in the Oort Cloud. No existing telescope is powerful enough to detect such a world, although that situation may change. Even if Planet X existed, it wouldn't pose any threat to Earth in the foreseeable future.

    NASA's David Morrison has written extensively about the astronomical side of the Nibiru myth, and language scholar Michael S. Heiser handles the historical side. Heiser contends that the Sumerians used "Nibiru" to refer to Jupiter, or to Mercury, or to a star - but not to a planet beyond the five known to the ancients.

    The question remains, however: Where is the 12th planet? Today, we know of four terrestrial planets (Mercury, Mars, Venus and Earth), four giant planets (Jupiter, Saturn, Uranus and Neptune) and five dwarf planets (Eris, Pluto, Ceres, Makemake and Haumea). That makes 13, and there are probably many more yet to be recognized (though the International Astronomical Union currently draws the line at the biggest eight).

    Based on illustrations by NASA, ESA and A. Feild (STScI)
    This graphic compares the sizes of five dwarf planets and their moons with the size of Earth and its moon. The top row shows, from left, Eris and its moon, Dysnomia; Pluto and its three moons, Charon, Nix and Hydra; and Makemake. The bottom row shows Haumea and its moons, Namaka and Hi'iaka; Ceres; and Earth's moon. A small slice of Earth's disk is visible at the bottom of the picture.

    OK, so which of those is 12th on the list? Just for argument's sake, I'm going to go with the IAU's chronological order of designation as planets (dwarf or otherwise). The status of the first 11 was established by the IAU's 2006 resolution, which means Makemake went 12th a little more than a year ago, and Haumea went 13th last September.

    Therefore, if you really press me to identify the 12th planet, I'd go with Makemake - which is roughly 50 times farther away from the sun than we are. Even at its closest point, it's still 35 times farther away and thus poses no threat to our planet. The only thing threatened by Makemake and the other dwarfs is our preconception of what a planet has to be.

    Do you have additional thoughts on scientific myths or mirth? Feel free to pass them along below. I'm on vacation through Aug. 16, but I'll still check in every now and then to approve your comments.

    More silly science:

    • Ig Nobel founder discusses improbable research
    • The deliciously baddest science movies
    • The science of champagne bubbles
    • Your guide to scientific foolery 
    • Downright silly science

    Join the Cosmic Log team by signing up as my Facebook friend or hooking up on Twitter. And reserve your copy of my upcoming book, "The Case for Pluto."  You can pre-order it from Amazon, Barnes & Noble or Borders.

    Show more
    Explore related topics: science, reader-mail
  • 20
    Jul
    2009
    10:52pm, EDT

    Your moonshot memories

    Courtesy of Bob Bickers
    The Bickers family sits around the television on July 20, 1969, in
    their home in Memphis, Tenn. From left are Bob, William, Linda
    and Alice Fay Bickers. Robert Sr. took the picture.


    Even the highest-resolution camera in orbit around the moon can't make out the mark left behind by Neil Armstrong's "one small step" 40 years ago - but NASA's giant leap left a huge mark on men and women around the globe. For proof, all you have to do is page through the more than 1,400 messages answering the question posed 10 days ago: "Where were you when Apollo flew?"

    The reminiscences about July 20, 1969, came from Saudi Arabia and Nigeria, India and Australia. Some were at the Boy Scouts' National Jamboree in Idaho and remember gathering around radios and TV sets in their tents to witness history. "As soon as we heard 'Houston, the Eagle has landed,' a huge cheer from all 50,000-plus went up from all around the park, echoing off the hills, for several minutes," Dave Robertson Jr. recalled.

    Some were in Europe, and basked in the adulation that citizens of other nations had for the American spirit on that day: "An Italian embraced me and proclaimed, 'Americani, Astronati, La Luna, La Luna!'" Hal Ackerman wrote.

    Many happened to be on the battlefield on that day (and some were imprisoned in North Vietnam, as Sen. John McCain relates in this "Nightly News" video). The memories weren't pleasant. "I was in South Vietnam, slogging through the rice paddies," John Porter wrote from Arizona. "I actually didn't even hear about it until maybe a week later, and to be honest, I really didn't give a (expletive deleted), as I was just trying to stay alive."

    For some, the Apollo achievement seemed to hold the promise of a "Jetsons" future that never came to pass. But for others, July 20, 1969, was a life-changing day - and not just because it was also the day they were born, or got engaged, or gave birth (or had their first period, as one woman wrote).

    The experience sparked 40 years of imagination and inspiration for Bob Bickers, an artist and attorney in Murrysville, Pa., who has immortalized that day in an exhibit of paintings and photographs currently on display at his local library.

    For sharing his story below, and the photograph above, Bickers will be receiving a copy of Andrew Chaikin's coffee-table book about the Apollo adventure, "Voices From the Moon." Here's Bickers' tale:

    "I was 13 in Memphis, and anyone visiting my room would think they were were in an unofficial branch of Mission Control.  I had miniature models of Apollo spacecraft being tracked across huge moon maps, and a library of space books and magazines on every aspect of the Apollo program.

    "I had been closely following the space race since the early 1960s, watching the Mercury astronauts rocket into space.  On the afternoon of July 20, 1969, my hands sweated along with everyone else as the Eagle landed.  I stepped outside the house and saw traffic on the road and was incredulous that these people were oblivious to the moon landing.

    "That night, our family watched on the TV set and finally pulled a mattress into the den to watch the mission coverage all the way through.  Here's a picture of us all around the TV that night (I am the one holding our dog). 

    "Years later, I never did become an astronaut. I became an attorney instead, but I also became skilled as an artist and now I have an art show and tribute to that special mission, called 'Apollo 11 - 40 Years a Memory.' More on that can be found at BobBickers.net and on my blog. The moon landings have fueled my imagination all these years while waiting for us to return.  I hope I will see that day soon."

    Forrest Bennett of Memphis, Tenn., told a tale that sounds too good to be true. I checked with the National Air and Space Museum, and the staff members there couldn't immediately find the evidence to back up his story. They'd love to talk with Forrest if he's stopping by the museum (but don't worry, Forrest, you're not in trouble):

    "I was 6 years old at the time and living in the neighborhood just south of Houston that was home to most of the personnel that worked around the clock in Mission Control at Johnson Space Center.  I remember my dad taking Polaroid snapshots of the television screen as Neil Armstrong stepped off of the ladder on the lunar module and onto the moon's stark surface while uttering those famous words.  I also remember there being a raucous block party soon after the successful return to Earth of the Apollo 11 command capsule.  Imagine if you will a couple of hundred geeks running on andrenaline and alcohol, and you pretty much have the complete picture.

    "Our next-door neighbor - whose name I have long forgotten, but whose contribution to my interest in science and space will never be forgotten - was mission director of one of the later Apollo missions.  He was a junior director on the Apollo 11 mission and as such had complete access to the mission plans and gave my dad a printout from the massive mainframe computer that showed in ASCII characters the flight path of the entire mission from liftoff to splashdown.  Unfortunately that now-priceless document was destroyed when a pipe burst in our home years later and flooded the basement where it was stored.  

    "An even more poignant memory of 'Jeffrey's dad' which is how I always remember my neighbor, is when the command module returned to Houston on the back of a flatbed semi; he took my dad, his son Jeffrey and me to see the ship that had carried Neil Armstrong, Buzz Aldrin, and Michael Collins into history. Jeffrey and I actually climbed into and all over the capsule as it sat strapped to the flatbed truck.  Then, being boys, we left our own marks on history ... we scratched our initials into the carbon scoring on the edge of the heat shield and promised never to tell anyone.

    "Years later, as a teenager, I visited the Smithsonian's National Air and Space Museum - and there in the front entrance, encased in plexiglass for all the world to see, sat the capsule and my initials.  I broke my promise to Jeffrey at that moment and showed my dad what we had done.  I couldn't tell if he was incredulous or proud or both, but I will never forget the look on his face as I pointed out the tiny scratches spelling out my initials FAB.

    "Believe it or not, it's true.

    "I am going to be taking my own teenager to visit the Air and Space Museum on July 20, and if I am lucky the capsule will still be there and I can show here where her dad left his mark on history."

    We received several comments from people who were actually involved in the Apollo 11 mission on the ground (or at sea). Here are a couple of them, beginning with a tale from Ron Holland of Centreville, Md.:

    "At the time of Apollo 11 moon landing, I was an operations control shift supervisor at the NASA Goddard Space Flight Center. Working for RCA Corp., as a contractor for the NASA Space Tracking And Data Acquisition Network (STADAN), I was fortunate to have a front-row seat not only for the entire Apollo program, but also most of the Gemini missions before Apollo.

    "Being able to hear 'real-time' communications between spacecraft and 'ground' was always interesting technically and exciting personally.

    "There is one part of my first lunar landing experience that I want to make crystal clear. It is what Mr. Neil Armstrong really said as he made his first historic step onto the lunar surface. I heard this in real-time, clearly, on a 5/5 circuit, and firsthand. He said; 'One small step for man…' and not, as some P.C. wonks, manipulating revisionists of history would like us to believe, 'one small step for a man.' Good grief!

    "Mr. Armstrong, whom I met and shook hands with shortly after his return, later said that he 'meant' to say 'a man,' but it came out as 'man,' without an "A". It's a small thing, but such are the fine points of history. And to think I was there to hear and see it all as it happened. Personally, I prefer the all-inclusive and global 'man.'

    "With a total of 35 years, working for NASA and NOAA space programs, I retired in 2003 after serving on the Hubble Space Telescope for 15 years. First, at Johns Hopkins University, Space Telescope Science Institute, in Baltimore, then planning and scheduling HST servicing missions, and finally consulting for NASA's chief engineer at NASA HQ in D.C.

    "However, I'll never forget that night in July. The rest of my career was 'gravy.'"

    And here's another inside view from Edward Brann, who was at Mission Control in Houston for Apollo 11 (and Apollo 7, 8, 9, 10, 12 and 13):

    "... The oversight contract I was working on reviewed the integration of the various Apollo systems. My job was to validate the integration of the landing and rendezvous radar systems to the Primary Guidance and Navigation System on the lunar module. This also included the integration of the radar data into the navigation programs. This started my introduction to and lifelong affiliation with digital computers.

    "The Primary Guidance and Navigation System was designed at MIT and built by Raytheon. It must be stated that the Primary computers on both the command module (CM) and lunar module (LM) never failed during a flight.  Compared to the powerhouses we put on our desks, the computers on the LM or CM were antiques. By the time I came on board, the programming demands had expanded the computer to 4,000 words of RAM (random access memory) and 37,000 words of ROM (read-only memory).

    "I would bench check the navigation programs and if a section needed further testing, we would schedule some time on the LM simulator. We would get it 'after hours' since it was the same one that the astronauts trained in during the day. The simulator area had simulators for both the command module and lunar module, which for training purposes could be linked together. The movie 'Apollo 13' depicted this simulation area with about 90 percent accuracy.

    "Sometimes a contractor goes beyond the letter of the programming contract specs because it makes sense. MIT had designed the major programs with restart check points, which saved the Apollo 11 landing on the moon. The landing guidance program was designed to run in a two-second cycle. When it was started, it would schedule itself to start again in two seconds. It would normally be finished with a cycle by the time the scheduler started it again. During the final phase of the landing profile, the computer was running at 90 percent capacity.

    "During Apollo 11's final landing phase, a switch had been left in the wrong position, which caused an abnormal number of computer interrupts. This caused the computer to run at 105 percent of capacity and cause a restart. This happened about nine times on the way down, and the hard call was to either let it continue or switch to the abort computer and head back to the command module. The programmers at MIT were following the telemetry and decided that the computer was functionally following the proper landing profile, which the controllers concurred with, and the rest is history.

    "Where was I during all of this? In one of the back-back rooms provided for the contractors to follow the flight on the telemetry screens on the wall. For each controller position in the main control room, which we saw on TV or in movies, there was a back room with 10 to 12 people who backed up the controller position through the head sets. Then this back room was in contact with the associated back-back room where the contractors who built or checked the systems were available for consultation.

    "I had prepared a LM mission profile document that integrated the astronaut flight plan with the telemetry readouts expected during different phases of the mission. I was following the landing by cross-referencing my profile with the telemetry displays to make sure that the LM was on the correct descent profile. At about 500 feet, Neil Armstrong took over the landing phase manually (computer-aided). If you listen to that part of the landing, you can hear Buzz Aldrin calling out the feet per second down and horizontally. That was his job while Neil looked for a landing site. During that running call out of the displays, you will hear the comment 'low fuel level light.' This light indicated that the computer had calculated 30 seconds of fuel left.

    "The landing phase seemed to last forever from that point until the touchdown indicator came on and they cut the engine. There were a lot of 'blue' faces as everyone - including myself - was holding his breath during those last few seconds. It was calculated after the fact that the LM had less than 10 seconds of fuel left at touchdown. ...

    "A Web site readers might find interesting is this one, which contains a transcript of the Apollo 11 landing phase with post mission comments by Neil Armstrong and Buzz Aldrin."

    Here's how the day changed the lives of Leona T. Hill and her family:

    "My future husband and I were sitting on a sofa watching the historic moment on TV. That was our date for the evening in lieu of attending the movie theatre.  When the first moon step was taken, my husband made the comment that we needed to take a giant leap of our own and get married! What a romantic proposal, right? :) And so that journey we started 40 years ago continues today.  Along the way we had four children, and ironically, two of them became computer software engineers for the international space station project and the shuttle program.  Their wives were involved also!  My husband still watches all of the NASA programs on TV and he is vitally interested in all aspects of space."  

    July 20, 1969, was also a doubly special day for Rick Sciapiti of Roseburg, Ore.:

    "I was flying back on the 'Freedom Bird' to CONUS [continental U.S.] from the Republic of Vietnam. Landing in Japan for refueling, I, along with all the other returning soldiers, got off the aircraft. In the lobby of the airport, we saw people standing around looking at a television of Neil Armstrong standing on the moon's surface. I had just spent 366 days flying close aerial combat support with the 114th Assault Helicopter Co. as a crew chief and door gunner. I was completely out of touch with current events, and when I saw the image of Armstrong on the moon, I was speechless! I had no idea Apollo had taken off and was on a lunar mission. Today is the 40th anniversary of my return from the War in Vietnam."

    David Kamerath of Salt Lake City sent along this memory, plus a picture:

    Courtesy of David Kamerath
    David Kamerath on duty in South
    Vietnam in 1969.


    "July 20th, 1969, was hot and miserable in the rice paddies and murky canals along the Mekong River in Dinh Tuong Province, South Vietnam. I was on a combat mission with an infantry security force consisting mostly of Vietnamese Regional Forces. I halted the patrol long enough to press a small Sony battery-powered radio to my ear and listened to the first lunar landing.

    "I was so very proud at that moment and I wondered at the beauty of such an accomplishment. For me, that was an exciting and an encouraging event. In the midst of the heat and misery of a combat patrol, I was hearing one of the most significant events to date in modern history. I was so very proud then, as I am now, of the privilege it is to be an American citizen.

    "NOTE: The attached photograph was taken at about the same time and place, but was probably not the same day as the lunar landing."

    Several commenters posed the question, "If we could land a man on the moon, why couldn't we win the Vietnam War?" Here's an example from John Clay in Virginia:

    "I was on a denuded mountaintop in the Northern I Corps of Vietnam overlooking the DMZ, wondering if they could accomplish a trip to the moon, why couldn't they end the war?"

    Kay Sorensen of Salem, Wis., had a different twist on the "if we could land a man on the moon..." question:

    "We were visiting my sister and brother in law in Hammond, Indiana. When they landed on the moon, my husband declared that if they could land on the moon, he could stop smoking. He opened the door and threw out his pipe and never smoked again. The moon landing and quitting smoking will always be indelibly linked for our family."

    Here's another life-changing story, from Greg McCauley of Indianapolis:

    "I was a high school senior in a small Midwest town and was overcome by the magnitude of that event. Two years later, in April 1971, my best friend and I quit college, packed a suitcase, and, with $100 each, flew off to get a job at the Manned Spacecraft Center in Houston. Everyone thought that we were totally nuts and that you had to be a rocket scientist to work for the Apollo lunar program. They thought we would fail and eventually come back home to live out normal lives like everyone else. We swore we would not come home until we were working for NASA.

    "Seven months and many odd jobs later, we both got jobs in the Mission Planning and Analysis Division at the Manned Spacecraft Center in Houston. We were 21 years old, had secret clearances and were absolutely in the middle of it all for Apollo 15, 16 and 17. We worked on exciting projects and even witnessed the launches from the floor of Mission Control.

    "Those were very exciting times in our lives and proved to us that the American Dream is still alive - you can do whatever you set your mind to doing. Today, as a private business owner, I believe in the power of the human spirit. Anyone can achieve their dreams if they just have the courage to pursue them."

    The event was an inspiration to people in other countries as well, as illustrated by Remigius Dias' story:

    "The year that man landed on the moon, I was in the final year of finishing high school. Schools in most parts of India at that time did not infuse much enthusiasm in students about the wonders of science. Just that science was one of the subjects which had to be covered to go through school and enter college.

    "My interest was to listen to music and news programs over the radio. TV was not introduced in Bombay, India, at that time. Newspaper reports too lagged behind some of the U.K. and U.S. papers, but they did report preparations of the Americans to overtake the Russians in their bid to land a man on the moon. ... That historic day, I did not attend school but was glued to the radio receiver hearing live commentary from VOA [Voice of America]. Although the reception was not so good, with many breaks in between, it was a great way to participate in this historic event.

    "The day after Armstrong and Aldrin landed on the moon, the Free Press Journal newspaper carried only a single headline on its front page something about two inches in size in red: 'Man Lands on Moon.'

    "I can proudly say that was what motivated me to take up science after my schooling, although I didn't pursue higher studies, but managed to qualify as an audio/video engineer. Wish I was in the USA, where opportunities abound to fulfill my dream of studying space science and being useful to the space program. ..." 

    I just love this message from Emnang Cletus in Ogoja, Nigeria:

    "I was right in my village without a TV to watch the shuttle. But I dreamt man was constructing a railroad in the sky. Years later, I realized it was a vision of Apollo 11 that I saw. As a 7-year-old, I was perplexed how man could construct a railroad in the sky."

    John Spring Hill, who lives in Florida, remembers an alien world on Earth:

    "I was in a naval hospital in Guam, getting my body fixed from being shot up in Vietnam. It was a lot scarier than the moon. But if you were near the DMZ, some areas looked like the moon. 2/9 ... Semper Fi."

    Elizabeth Braun Andreini of Naples, Fla., had a sunnier memory that makes me wish I were there (I remember all those songs, by the way):

    "I was in Kennebunkport, Maine, age 19, Summer of Love, for sure. We walked Kennebunk Beach that night, my Greek paramour and me (my first lover). Back home in Poland, Ohio, my older brother Doug and his girlfriend Margie were preparing his VW camper for Woodstock. Doug would not let my mother serve rice as it reminded him of Vietnam. Both my brothers were spared Vietnam, thank you, God. The Fifth Dimension 'Aquarius' was No. 1 on the charts, Gary Puckett and the Union Gap were No. 85 with 'This Girl Is a Woman Now,' and Sly and the Family Stone gave us 'Hot Fun in the Summertime.' I could write a book about that summer! Wow, thanks for asking!"

    I definitely could write a book based on all the where-were-you comments we received as of today. Instead, I'll point you toward the full item, and invite you to leave additional comments below. One additional note: I've edited the above comments, but I just haven't had time to clean up the spelling for the hundreds of other comments we've received. So as you page through the reminiscences, please forgive any errors you might see.

    More about the Apollo 11 anniversary:

    • Next giant leap reconsidered
    • Moonwalk video gets a makeover
    • Apollo 11: Where are they now?
    • Where were you when Apollo flew?
    • On the Web: Moonshots on your computer
    • On screen: Apollo on rewind
    • In print: Apollo in sharper focus
    • More space history on msnbc.com

    Join the Cosmic Log corps by signing up as my Facebook friend or hooking up on Twitter. If you really want to be friendly, ask me about my upcoming book, "The Case for Pluto."  You can pre-order it from Amazon, Barnes & Noble or Borders.

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  • 10
    Jul
    2009
    5:36pm, EDT

    Where were you when Apollo flew?

    Co Rentmeester / Time Life Pictures via Getty Images
    Gamblers watch moonshot coverage at the Dunes Hotel in Las Vegas in July 1969.


    On July 20, 1969, I was an Iowa farmboy watching every black-and-white move of a fuzzy-looking, spacesuited figure on our living-room television set. Astrophysicist Neil deGrasse Tyson was doing pretty much the same thing in New York City (though he was a mere 10 years old, four whole years younger than I was).

    Sen. John McCain was sitting in a Hanoi prison - and wouldn't even find out that someone landed on the moon until a year and a half later. But for millions and millions of people around the world, even for McCain's Vietnamese captors, the Apollo 11 landing and that "one small step" on another world was a red-letter day that would be remembered through the decades.

    Now it's your turn to share some moonshot memories: Where were you when Apollo 11 flew? Even if you're took young to have been around when the first moon landing took place (which is the case for more than half of the U.S. population), you can still feel free to comment on the past, present and future of space exploration.

    Watch the moonshot, then milk the cows
    I'd like to say that watching Neil Armstrong and Buzz Aldrin climb down to the moon's surface put me on the path I'm on today. At the time, I was just one more teenager with a 3-inch telescope who didn't know what he was going to do when he grew up. I do remember that watching the moonshot was pushing back my bedtime, which was particularly crucial because I had to get up at 6:30 the next morning to help my dad milk the cows.

    Eventually, I left the farm and got into the journalism trade (after stints as editor of my high-school and college newspaper). I really didn't get into space news coverage until after I joined msnbc.com, almost exactly 13 years ago. But every now and then, I come across hints that there was a space geek inside me just waiting to be let out.

    For example, while cleaning out my basement bookshelves recently, I rediscovered the special issue of Life magazine I've been saving for 40 years. And I've always gotten a little thrill from knowing that Neil Armstrong's parents once lived where my in-laws live today in Wapakoneta, Ohio. (Check out this chapter from "First Man," Armstrong's authorized biography, to get an idea what the "center of the chaos" in Wapakoneta was like 40 years ago.)

    I happened to grow up in the generation when the Apollo effort was winding down just as we were revving up: The last mission to the moon was launched just as I was entering college, and by the time I graduated, Apollo was history and the space shuttle era had not yet dawned. Some have even called my generation the "Orphans of Apollo."

    Prizes for your prose
    Now we're heading toward another spaceflight gap: An era in American spaceflight is winding down once more, and although NASA is taking aim at the moon again, the road from here to there is far from clear.

    Even if you're too young to remember Apollo, I'd love to hear about your favorite space-related experiences, or find out what you think about the parallels and the differences between the 1970s and the current transition time. Please feel free to add your space-shot memories and your thoughts about the future of space travel as comments below. I'll pick out some of the comments for a follow-up story on July 20.

    To get your creative juices flowing, I'll set aside my copy of Andrew Chaikin's wonderful coffee-table book, "Voices From the Moon," to send to the author of the choicest comment (as judged solely by this former Iowa farmboy). If you're so inclined, I'll send along the "Orphans of Apollo" DVD as well.

    More on the Apollo 11 anniversary from msnbc.com:

    • 'Time and Again': Remembering Apollo 11
    • On the Web: Moonshots on your computer
    • On screen: Apollo on rewind
    • In print: Apollo in sharper focus
    • Buzz Aldrin's journey (and his rap video)
    • More space history on msnbc.com 

    More Apollo 11 reminiscences on the Web:

    • USA Weekend: The day the earth stood still
    • Space Foundation: Apollo 11 stories keep coming in
    • Florida Today: Moon landing memories
    • The Guardian: Where were you when the Eagle landed? 
    • New Scientist: Where were you for Apollo 11?
    • Space.com (1999): Where were you in 1969? 
    • Space.com (2009): "The Moon: Then, Now, Next"
    • Where Were You: July 20, 1969

    Join the Cosmic Log corps by signing up as my Facebook friend or hooking up on Twitter. If you really want to be friendly, ask me about my upcoming book, "The Case for Pluto."  You can pre-order it from Amazon, Barnes & Noble or Borders.

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  • 17
    Apr
    2009
    4:05pm, EDT

    Celebrity science quiz

    Today show
      Click for quiz: Why
      was Leonardo da Vinci
      in the news?


    Where can you find Stephen Colbert, President Obama, Cleopatra and Leonardo da Vinci all in one place? The Technology & Science section here at msnbc.com, of course. All these celebrities, past and present, were in the news over the past week.

    The big question is, why were they in the news? Let's make that 10 big questions. Today, we're rolling out the celebrity edition of msnbc.com's Science and Space Quiz - or the Sci-Q test for short.

    It's been a while since we've had a fresh Sci-Q test, but we're going to revive it as an end-of-the-week feature - OK, maybe not every week, but often enough to keep your Sci-Q skills sharp.

    One of the best things about the test is that we link to the stories you've missed. You can read up on the week's developments, take the quiz again and impress your friends with a 100 percent score.

    But wait, there's more: Feel free to use this Sci-Q posting as an "open mike" (or is that "open mic"?) for your comments and questions about space, science, exploration and innovation. Maybe you've got a comment about a story appearing on msnbc.com (like goat-cloning or polar bear bites, perhaps?). Maybe there's something you've seen somewhere else that you want to point out (like the latest alarm bells about NASA spaceflight). Or maybe you just want to register a suggestion for future follow-up (for example, whatever happened to that "backward causality" research project?).

    Got something on your mind? The floor is yours. Just leave a comment below.

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  • 10
    Jun
    2008
    5:20pm, EDT

    Home sweet communal home

    When gasoline prices crossed the $4-a-gallon milestone, that got a lot of people thinking about ways to reduce transportation costs. Many are taking a second look at pedal power and mass transit. Others are looking at energy technologies that offer alternatives to fossil fuels. Longtime Cosmic Log correspondent Christopher Eldridge takes a totally different view: Instead of figuring out cheaper ways to travel, how about figuring out cheaper ways not to travel?

    Eldridge has been working on that challenge for years, and he sees communal living as the ultimate answer. He's into the sixth edition of his book on the subject, titled "Conceptual Communal Home Design," and he sent along this message as food for thought:

    "Sure, hybrid cars and wind generators are great, but wouldn't it be so much better if, instead of jumping into our cars and driving to work in the morning, we could just roll out of bed and work 'productively' right from our own homes?  Living efficiently and self-sufficiently on a very local level like this is not only good for the environment and for our personal time, it would be the absolute key to surviving nearly any type of disaster, pandemic, economic collapse, or energy crisis we can think of. 

    "Being able to work right from home is absolutely the best possible method of saving energy because so much less travel would be needed. Imagine, if you will, building much more robust homes with features like: 

    • 2,000 square feet of sub-industrial-scale wood and metal working shops able to cast our own engine block or farm implements from scratch.
    • 1,000 square feet of office space for a myriad of private practices and small stores.
    • Dual 12-person craft rooms for sewing and pottery.
    • Our own automotive repair bays.
    • Exterior camping/hiking/biking/gardening support facilities.
    • Commercial computer and multi-line phone systems.
    • Garage bays big enough for and able to support large carpenter/plumber/electrician-type work trucks with all their equipment.
    • Rooftop hydroponic gardens able to provide every resident in the home with 70-plus square feet of 24/7/365 vegetable growing surface.
    • A martial arts school/gymnasium right in our own home.

    "With such facilities in our homes, we can endure almost anything and save far more energy that we do, right?  Although such elaborate facilities and features aren't possible in an ordinary home, they are indeed possible when we combine our resources and skills in a true, purpose-built communal facility.

    "Communal homes gain the advantage of a fundamental principle known as the economy of scale. By sharing kitchen, dining, bathroom and utility space (which are ordinarily only used about 5 percent of the time for the purpose they are intended) we gain the advantage of having more resources available for offices, shops and work rooms.  By sharing a small fleet of standardized minivans we can accomplish our travels with far fewer vehicles.

    "By using a multi-story commercial-quality home design (easily affordable with just the savings realized on travel and vehicle expense, and on day-care costs) we can also create a facility with an 85 percent lower footprint (saving land) and with 70 percent less surface area exposed to the cold of winter or the heat of summer to save on electicity, building materials and repair expenses.

    "Most importantly, we aren't just talking about the communes of old... but super high-tech facilities where individual privacy is paramount.  Such homes would have segregated living areas, and master bedroom suites with full entertainment centers, personal computers, ample storage space for adults and a double-door privacy entrance. There'd be wider hallways, soundproof materials within the walls and floors, and top-quality appliances to meet or exceed expected demands. Bathrooms would be divided into separate shower rooms and half baths, game room/sports bars would be added along with libraries and craft rooms.  Even things like a multiuse racquetball court, or a 46-seat movie theater, or conference centers, or an emergency-bed down area for disaster victims are entirely possible and would help to offset any perceived lack of privacy.

    "Are you getting the idea? So much more is possible in the home for us to enjoy and yet at much less cost to the environment.
     
    "Given the ever-present and seemingly growing potential for super-disasters, such homes and their ability to provide for most of our needs in times of crisis would also lend a greater degree of stability to our lives.  Such commercial-quality homes would be less vulnerable to high winds, would have less surface area to be damaged or to lose heat if the power fails, and would have dedicated visitor bunk-bedrooms for an influx of friends and family members who have either lost their homes or had to evacuate from a potential disaster zone. Generators and solar panels to keep the home running during such times would also be more affordable with more people footing the bill.

    "Overall, the adequate and robust designs of our homes have been grossly overlooked for far too long as we continued in the age-old battle with the Joneses for bragging rights.  Isn't it time we see 'our homes' as the best possible solution to all the pressing environmental problems, disaster risks and quality-of-living needs?  To share a home is - to me - an acceptable price to pay for such robust stability and for so many features we would otherwise never be able to afford on our own."

    The local-living trend has been gathering steam lately, as my colleague Allison Linn notes today in her report on the "locavore" movement. Would you consider communal living? What do you think of other concepts, such as vertical farming and green commuting? Feel free to share your experiences and opinions below.

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  • 3
    Nov
    2007
    12:10am, EDT

    Luxuries in space

    In the wake of the X Prize Cup, one reader wrote in to ask why anyone would pay $200,000 for a quick space trip on a rocket plane. "I assume it means much quicker travel time coast to coast, but your story never mentioned anything about why this is the next step in aviation evolution," said Cutter Garcia of Los Angeles.

    Point-to-point travel is definitely on the minds of spaceship developers - but before they get to that point, all they can offer are up-and-down sightseeing trips. At least at first, rocketeers will be banking on a luxury market ... the kind of people who are willing to pay $95,000 to go on a North Pole expedition, or buy a cell phone for $20,000. So who better to design the interior of the spaceship than Frank Nuovo, the man behind that $20,000 cell phone?

    That's exactly what Oklahoma-based Rocketplane Global is doing for its XP rocket plane: Although the final design isn't yet set, Nuovo's rough outline shows swoopy mesh seats (like Herman Miller's Aeron chairs), wide windows, personalized video displays and hush-hush technologies that the company declines to talk about for fear of tipping off its competition at Virgin Galactic.

    "I like to work with technology that's supported at the highest level of experience, so effectively it becomes luxury technology," Nuovo told me last weekend at the X Prize Cup in New Mexico.

    Nuovo, who packs a titanium Vertu phone for voice as well as a palm-sized PDA for e-mail, said his work with Rocketplane Global is a "passion project" - and he's expecting a future spaceflight aboard the XP as part of his payoff.

    "You're working on an extraordinary experience, and that extraordinary experience is what I'm trying to capture in my career going forward," Nuovo said. "How can you turn it down?"

    Although Rocketplane Global has redesigned its rocket-jet hybrid to be somewhat larger than the Learjet template that the designers started out with, the interior layout is still similar to that of a six-seat private jet. Virgin Galactic's SpaceShipTwo design concept may provide empty space for floating around, but that's not the way Rocketplane Global's top pilot, former NASA astronaut, intends to run his ship.

    "From a safety perspective, I'm not letting anybody out of their seat," Herrington, who is vice president for flight operations as well as chief test pilot, told reporters at the X Prize Cup. At least in the beginning, the suborbital passengers' safety harnesses will loosen up, and they'll be able to get that weightless feeling at the top of their ride. They won't be allowed to float free around the cabin, however.

    That may change after the XP goes through its shakedown period, Herrington acknowledges. Rocketplane Global is considering a trick that's long been familiar to minivan owners: that is, taking out the middle two seats and giving some extra zero-G room for the backseat passengers. Of course, the company would charge a premium for that experience.

    Rocketplane's rationale is that if you're really interested in weightless acrobatics, you're better off doing that on a zero-G airplane flight. The company intends to include that kind of flying time - as well as other spacey experiences such as altitude-chamber sessions or centrifuge rides - during a four-day preflight training program.

    The preflight training should also include a generous helping of other luxury experiences, according to Olle Norberg, head of the Esrange Space Center in Kiruna, Sweden. The Swedish center is angling to become Virgin Galactic's first spaceport in Europe.

    "It's not enough to just provide the runway and the fueling facilities," Norberg told me. "You have to really provide the full experience, not only for the passengers but also for the family and the friends."

    For Norberg, the full experience would include a stay in Kiruna's swanky Icehotel, and perhaps outings to see auroral light shows, wildlife and other winter delights. "We are mainly focusing on the winter experience," he said. The Swedish spaceport had hoped to offer zero-G flights as well, but Norberg said that part of the plan "unfortunately crashed" due to high insurance costs.

    Rocketplane's home base in Burns Flat, Okla., has a ways to go to match the Icehotel - but eventually, the company will have to offer ground-based luxuries to supplement the spaceflight. Virgin Galactic is already thinking about those luxury options as it lays out its plans for Spaceport America in New Mexico, said Alex Tai, the company's chief operating officer.

    "The experience has to be seamless from beginning to end," Tai told me. Future passengers should have enough to keep them busy for a visit ranging from three days to a couple of weeks, he said.

    "It's really up to New Mexico to step up and say, 'OK, these are the other things you'll want to do while you're here,'" Tai said. That would certainly include a resort experience, and either Virgin Galactic's external partners or the Virgin Group's travel subsidiaries could fill the bill there.

    I have to admit that it was hard to think about luxury experiences as I watched Armadillo Aerospace go about their grimy rocket business at the X Prize Cup - but perhaps people thought the same thing as they watched the Queen Mary (and, um, the Titanic) being built - or as the Wright brothers struggled with their first airplanes. Eventually, that tinkering brought us luxurious cruises and (at least for a time) Concorde flights.

    Perhaps the luxury market is one small step toward a wider-based technological leap - the same kind of leap we saw with the spread of affordable air and sea travel, consumer electronics and, yes, cell phones. At least that's what I'm hoping. To me, $200,000 still sounds like a lot of money for a ride on a rocket plane - even a luxurious one.

    For further reflections on the hits and misses of the X Prize Cup, check out these links:

    • 'We Failed': Postmortem from Armadillo Aerospace's John Carmack
    • Space Revolution News at Daily Kos: Recapping the X Prize Cup
    • The Space Review: Hard start, tough finish 
    • X Prize Cup retrospective at The Pomerantz Report
    • Matt Falk's photos from the X Prize Cup
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  • 11
    May
    2007
    2:58am, EDT

    Supernova nightmares

    Some astronomers would be delighted if a super-bright supernova blast like the one reported this week were to occur in our own galaxy. One says it could be "the best star-show in the history of modern civilization." But if the blast was pointed right at us from close quarters? Well, that would be bad.

    How so? And how bad? For the answers to those questions, you can turn to some cool Web sites, a few good books ... and a couple of bad movies.

    When astronomers reported that a new breed of supernova had been detected millions of light-years away, they also noted that the star involved in that explosion appeared to be similar to Eta Carinae one of the biggest and intrinsically brightest stars in our own Milky Way galaxy. Eta Carinae is a mere 7,500 light-years from Earth - and although astronomer Mario Livio said he didn't think the star posed any danger, MSNBC.com users naturally wanted more detail:

    Harald Jensen, Guatemala City, Guatemala: "Would you please be so kind as to enlighten us with the calculations for if and when Eta Carinae explodes? I would like to know how much time we would have to 'run away' from the shock wave caused by such an explosion? Naturally, I'm not worried about running away, but I know that interstellar sightings are not as easy as 1, 2, 3. Can you explain (in kindergarten terms please), depending on what kind of telescope first saw the explosion, how fast the shock wave would expand, and therefore, when would we feel it at home, here on Earth? Or is it as easy as 7,500 years (and that is the answer), with the shock wave traveling at the speed of light, and it would not make much of a difference when we saw it?"

    Mack: "If Eta Carinae went supernova, how long would it take for the effects to be seen and/or felt on Earth, specifically any gamma ray effects? Or, put another way, if it goes supernova, how long would it take the gamma rays to travel the 7,500 light years to Earth if the energetic jets emanating from the star were pointing our way?"

    Kenneth: "Let's see if I understand this. Dear Eta is 7,500 light years away, so what we are observing occurred 7,500 years ago. So [Livio's observation that a supernova] "could happen tomorrow or it could happen 1,000 years from now" is in need of editorializing. What is technically more accurate, is that Eta may blow or has probably already blown its top. But it's so far away that the light and other energy particles of that event have not yet reached us. We wish that we might live to experience it in the next 7,499 years. I'd like to 'see' it. The riddle that may be answered in this unfolding epoch, is why, thankfully, the magnificent supernovae exist in light-wave form. And the distance being so far, and the size so massive, that it would appear to be of original ejecta from the first big bang. Is it such that the beginning of time is coming to an end? Godspeed, earthlings."

    Harry and Leslie: "Could any supernova that occurs in space ever reach Earth, and what could the effects of such an event be on planet Earth?"

    The questions about timing are easy to answer: When Livio was talking about "tomorrow," he meant that the effects of such a supernova could be observed in the sky starting tomorrow - which of course means that the event itself would have occurred 7,500 years ago back at Eta Carinae. That's a long time ago, and the supernova that was first observed last September in the constellation Perseus took place much, much longer ago - about 240 million years ago.

    However, you couldn't say that represented the "original ejecta of the big bang." The big bang is thought to have occurred around 13.7 billion years ago - and that involved the explosive inflation of the space-time continuum itself, rather than an explosion in the supernova sense.

    Mack correctly put his finger on the supernova's gamma-ray burst as the main thing to worry about. That would be the likeliest cause of a supernova nightmare, and there wouldn't be much we could do about it. That is, unless astronomers learn enough about stellar evolution to predict when a dangerously close star could blow up in spectacular fashion - giving us enough time to build, say, underground cities.

    NASA
    An artist's conception shows a gamma-
    ray burst sweeping over Earth's
    atmosphere, depleting ozone and
    creating smog in the process. In reality,
    the gamma radiation would be invisible.


    A couple of years ago, astronomers took a close look at the potential effects of a nearby gamma-ray burst directed at Earth. The results weren't pretty. Research published in the Astrophysical Journal Letters proposed that a burst lasting just 10 seconds could have caused the Ordovician mass extinction, 440 million years ago.

    As the invisible gamma radiation swept over Earth, it could have depleted half of our planet's protective ozone layer, leaving the surface vulnerable to the sun's deadly ultraviolet rays for five years or so. That could have killed off much of the life on land as well as plankton and other organisms near the ocean surface, disrupting the marine food chain in the process. Such a scenario matches up with what seems to have happened during the Ordovician extinction.

    This NASA feature provides a summary of the research, as well as one animation that shows what a killer gamma-ray burst might look like from an earthly vantage point, and another animation that shows which areas of Earth would be affected the most.

    The Ordovician extinction may have had different causes, of course. Some have pointed to climate change as the killing blow - an unusual kind of "icehouse effect."  But even then, there could be a link between a gamma-ray burst, ozone depletion and global cooling.

    Phil Plait, who is a gamma-ray astronomer as well as the author of "Bad Astronomy" and an upcoming book tentatively titled "Death From the Skies," shed more light on the subject in an e-mail:

    "I'm researching this for my next book. There are two bad things that happen if you get enough gamma rays smacking into you:

    "1) They dissociate ozone molecules. Bad. Worse, they also zap nitrogen molecules, which then go out and zap ozone molecules. Either way, a lot of ozone goes away. It depends on how close the supernova or gamma-ray burst is, of course, but some studies have shown that a gamma-ray burst ... could eradicate 30 percent of ozone globally, with some local places dropping by more than 50 percent. In technical terms, that would suck.

    "2) Those nitrogen atoms go on and make NO2 molecules, which is a reddish brown toxic substance. Not enough would be made, most likely, to hurt folks, but it's dark and absorbs sunlight, so they can contribute to global cooling. The Ordovician event may have been from a nearby supernova or gamma-ray burst, as there is evidence of increased UVB [ultraviolet light B] hitting phytoplanktons and also cooling at the same time.

    "There is a third thing: cosmic rays, atomic nuclei accelerated to relativistic speeds, may also be sent our way by supernovae or gamma-ray bursts. No one is really sure. But there is a lot of evidence (and this shocked me) that the cosmic rays affect our weather by seeding clouds (I am unclear how this works in detail but I'll know better as I read more). More clouds means more cooling, so more cosmic rays could trip an ice age. Seriously.

    "All of this depends on how close a supernova gets, and there is evidence that in the past few million years a few have exploded within a few dozen parsecs. Fe60 is a radioactive isotope of iron, and is created in supernova explosions. An excess of Fe60 has been found in ocean floor samples dated to a few million years ago. Cool, huh?

    "The big SN 2006gy was 240 million light years away, so it won't hurt us. But Eta Carinae is only 7,500 light years away..."

    Fortunately, as Livio pointed out during this week's news conference, the poles of Eta Carinae's hourglass-shaped structure appear to be pointed away from Earth. That has led astronomers to assume that the highly focused flash of a gamma-ray burst would also miss our planet.

    "Right now, there are no supernovas close enough to hurt us," Plait told me in a follow-up phone call. "There are no gamma-ray sources close enough to hurt us. We think."

    One possible cause of gamma-ray bursts is the merger of two dense celestial objects - say, neutron stars or black holes. And we might never see that coming.

    If all that's not enough to throw a scare into you, there's a large pile of movies and books that address the supernova nightmare scenario. On the Astronomical Society of the Pacific's Web site, Foothill College astronomer Andrew Fraknoi lists seven supernova-themed tales that reflect "good astronomy and physics." Two are particularly worthy of note:

    • "Supernova" by Roger Allen and Eric Kotani. Plait says Kotani is the pen name of a well-known astrophysicist - and although the premise of the book is purely fictional, there's some good science backing up the story.
    • "The Twilight of Briareus" by Richard Cowper. This tale, which delves into supernova-caused climate change as well as some weirder fictional effects, comes with a strong recommendation from Paul Gilster, the blogger behind Centauri Dreams. "This guy could flat-out write," Gilster said.

    Both books appear to be out of print - but used copies are available online, and you might find them as well at your local library or used-book shop. That qualifies the two books as a dual selection for the Cosmic Log Used Book Club, which highlights books with cosmic themes that aren't necessarily brand-new.

    Unfortunately, supernova stories on the silver screen haven't fared as well. There was a "Supernova" movie starring James Spader and Angela Bassett, as well as a "Supernova" made-for-TV movie with Tia Carrere and Luke Perry - but neither made much of a scientific or a critical splash.

    In the semi-documentary category, the Sci-Fi Channel's "Countdown to Doomsday" addressed the gamma-ray threat, with an assist from Plait. Gamma-ray flares also play a role in the "Nova" documentary "Monster of the Milky Way," but that show (which you can watch online) has more to do with black holes than supernovae.

    So I'll have to turn to you for guidance: If you have any recommendations for gripping supernova tales, or even deliciously bad movies about supernova nightmares, by all means pass them along in the comments section below.

    Update for 10 p.m. ET May 17: I added a reference to Fraknoi as the author of the excellent book recommendation list on the ASP Web site, in the interest of giving credit where credit is due.

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  • 9
    Apr
    2007
    11:45pm, EDT

    The hype over Hawking

    As physicist Stephen Hawking tours America in advance of his April 26 date with weightlessness, he's clearly hyped up about the trip, says Zero Gravity Corp. founder Peter Diamandis, who saw the great man up close and personal at the California Institute of Technology last week. "He is so excited about the flight," Diamandis told me. "It was wonderful to see him smile."

    A lot of other folks are excited about Hawking in return: He's just been voted Britain's second most admired man, according to Esquire magazine. (No. 1 was celebrity chef Gordon Ramsay.) And bidders have paid as much as $75,100 to have two seats on the same weightless flight that Hawking will take.

    The $75,000-plus raised for the Starlight Starbright Children's Foundation was just one of the packages that went for charity. Other two-seat packages were provided to the X Prize Foundation, Augie's Quest and Easter Seals, drawing additional tens of thousands of dollars in donations.

    Hawking's trip is just one of the developments that have put Zero Gravity Corp. in the news. The company is also offering weightless airline trips in Las Vegas starting this month, and flights will be sold through Sharper Image (through stores, mail-order catalogs and online) beginning May 15.

    Meanwhile, the physicist is continuing to combine business and pleasure during his U.S. tour: Over the past month, he's spoken to overflow crowds at the University of California at Berkeley as well as Caltech, and tonight he's speaking at Seattle Center's McCaw Hall. I'll put together a report on the Seattle lecture, "The History of the Universe Backwards" - but in case you missed getting your own ticket, you can watch an hourlong video of the Berkeley talk or read the text transcript.

    While I'm on the subject, here's some very important feedback from my earlier article on Stephen Hawking's weightless ride:

    Deanna Holt, Springfield, Ill.: "Thank you for your online article regarding Stephen Hawking.  As a special education teacher, I wanted to offer you some words of advice.  In future, you may consider using different words for captions.  Regarding the following:

    "'Cambridge physicist Stephen Hawking suffers from a degenerative nerve disease that has turned him into a quadriplegic. He is able to speak only via a computerized voice synthesizer that he operates by batting his eyelids.'

    "A better choice would have been the following:

    "'Cambridge physicist Stephen Hawking has a degenerative nerve disease that has made him a quadriplegic. He is able to speak via a computerized voice synthesizer that he operates by batting his eyelids.'

    "I see a lot of this in the media - you're not the only writer who uses language like this.  Remember, folks with disabilities are folks first.  If they utilize a machine that can enable them to speak - isn't that wonderful?  Being able to speak is a great thing - no matter how it is done.  As far as the suffering ... Mr. Hawking is a 65-year-old, world-famous physicist.  Doesn't sound like he's suffering at all to me.

    "Other than that - pretty good article."

    Another correspondent said I should have been more specific about Hawking's medical condition:

    Jennifer McIntosh: "Thank you for your article on Stephen Hawking's adventure in to weightlessness.  However, something you lacked mentioning in your article disturbed me.  Why do you choose to call Mr. Hawking's condition a  'degenerative nerve disease' and that he is a 'quadriplegic'?  Mr. Hawking is one of few inspirations for people living with ALS.   As a man of science, I would think you would be more specific about such an important detail."

    Here's another e-mail in the same vein:

    Christopher Martin: "While I found your article on Professor Hawking to be inspiring, I must say that I am pretty upset at that fact you never even mentioned the name of the disease from which he suffers.
     
    "In case you were somehow unaware, Stephen Hawking has ALS. Yet, in your article, you refer to his condition as a 'degenerative nerve disease.' While ALS is certainly a neuro-muscular disease marked by 'nerve degeneration,' you seem to pass over the fact that this is the worst neuro-muscular disease you could ever have. 
     
    "'Degenerative nerve disease' sounds so innocuous and sounds like something that might be treatable. ALS is not a treatable disease. It is a fatal disease, and any 'treatments' are based on hypotheses rather than detailed medical knowledge of the condition.

    "ALS is an orphan disease. It has very little financial, pharmaceutical or medical sponsorship for finding a cure. All knowledge about, and work toward, a cure for ALS stem directly from people around the country spreading the word and raising awareness of this horrible disease.

    "That is why I honor my father's memory, and the memory of thousands of others, by working as the chairman of the Greater Philadelphia ALS Association Walk to D'Feet ALS. We walk to defeat this fatal disease, just like the Avon people and Susan Komen people walk to defeat breast cancer.

    "All we ask from anyone is the same consideration and acknowledgment for our cause that the rest of the charities out there today receive.

    "Thank you for your article on Professor Hawking and have a good day."

    For what it's worth, I've revised the original article in accordance with the suggestions.

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