When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $1.3 trillion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300 C. While The Russians used a pencil.
2007-06-18
00:07:15
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20 answers
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Anonymous
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Entertainment & Music
➔ Jokes & Riddles
just Imagine that plus tax
2007-06-18
00:24:51 ·
update #1