When NASA first started sending up astronauts, they quickly discovered that
ballpoint pens would not work in zero gravity. To combat this problem, NASA scientists spent a decade and $12 billion developing a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to over 300'C.
The Russians used a pencil...
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1 comment:
I have read this blog Mr Joshi Yoshi. U've been S.LoW'ed.
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