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- December 03, 2008, 06:21:00 pm
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- March 12, 2014, 09:12:59 am
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- March 09, 2012, 11:14:38 pm
When NASA first started sending up astronauts, they discovered that pens would not work in zero gravity. To combat this problem, NASA scientists spent a decade and $12 million developing the ball point pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to over 300C.
When confronted with the same problem, the Russians used a pencil.
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