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 billions of $ 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 300c.......................
The Russians used a pencil.
2006-11-07
01:49:57
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17 answers
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asked by
robsta
3
in
Jokes & Riddles