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Mark Adler
Works at Jet Propulsion Laboratory
Attended California Institute of Technology
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Mark Adler

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Columbia Hills?!  Yes!  Let's go visit Spirit!
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Sigh. We all need Kolinahr training.
How our brains fool us on climate, creationism, and the vaccine-autism link.
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Helicopters.  Rockets.  A train track.  A Mars lander parachute.  High speed cameras.  What more could you ask for?  (Mythbusters: eat your heart out.)
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Lol just had a "discussion" on that there's no pressure on Mars.
Probably no using showing them this :)
And I'm just extremely jealous as you sure have way cooler toys at your work :)
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Oh yeah.

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One of the tests on my LDSD project, which combines the Navy version of a Blackhawk helicopter, a giant 110 foot parachute, 3000 pounds of rope, a very big pulley, four rockets, and a railroad track in the desert.

The test successfully uncovered a design flaw in the parachute before we flew one like it on a much more expensive test -- which is exactly what this test was for.
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Awesome combination of the four elements of spectacular engineering - gray matter, testosterone, metal, and fire.
Good song choice as well.  As Butthead said back when that song came out, "If Metallica did an acoustic concert, it would probably still have some explosions in it."
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Have him in circles
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Mark Adler

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Yes, this is happening in your lifetime.  We touch a comet.  Live feed from the European Space Agency: http://rosetta.esa.int/
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Just because it travelled 4 billion miles doesn't mean that it's 4 billion miles away.  It is currently 28 light minutes away.
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Cool videos. At least I think so.
Aug. 8, 9 a.m. PT (12 p.m. ET, 1600 UTC) NASA's Low-Density Supersonic Decelerator (LDSD) project successfully flew a rocket-powered, saucer-shaped test vehicle into near-space in late June from the U.S. Navy's Pacific Missile Range Facility on Kauai, Hawaii. See new video from this test and hear about early results from the mission at a news briefing on Aug. 8 at the agency's Jet Propulsion Laboratory (JPL) in Pasadena, California. Par...
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Blood moon.
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Nice!  I haven't looked at mine in detail yet, but we had high clouds fuzzing things up, and my camera doesn't do manual focus, so I don't have high hopes.  Still, it was fun...
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No fair.  The latest release of Mathematica is 9.0.1, which doesn't have many of these operations (RandomColor, Blend that works on images, Sunset, EntityData).  I have a Raspberry Pi with a preview version of 10.0, with the latest updates applied, which also doesn't have all of these functions (Sunset, for example).  For some operations that are there, they don't produce quite the same output as shown on the video.  The ListLogPlot looks much nicer in the video.  The CountryData result is strings instead of special objects as shown in the video.  EntityData is there but fails in 10.0.  And so on.
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Have him in circles
237 people
Richard Drumm's profile photo
ayushi patel's profile photo
Маргарита Киселева's profile photo
Jodi Kaplan's profile photo
Durpalla TV দুরপাল্লা টিভি's profile photo
Наталья Полозова's profile photo
Eric Watson's profile photo
Hubert Wagner's profile photo
Warm Heart's profile photo
Work
Occupation
Rocket Scientist
Employment
  • Jet Propulsion Laboratory
    Fellow, 1992 - present
  • Hughes Aircraft
    Advanced Technology Section Head, 1985 - 1992
Basic Information
Gender
Male
Story
Tagline
Mostly harmless.
Education
  • California Institute of Technology
    Physics, 1985 - 1990
  • University of Florida
    Electrical Engineering, 1981 - 1985
  • University of Florida
    Mathematics, 1977 - 1981
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