When NASA first started sending up astronauts, they quickly discovered that ball-point 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, on almost any surface including glass and at temperatures ranging from below freezing to over 300 C.
The Russians used a pencil.
the pen dilemma
Monday 30th November 2009 at 11:05 pm (political)
Tags: pen, pencil, russia
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