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From: Tristan N
When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in 0 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 300C.
The Russians used a pencil.
Tristan Newman
When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in 0 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 300C.
The Russians used a pencil.
Tristan Newman
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