Space Pen

Space Pen

By Simonbook - 25 Feb 2015 in Geeky 319

When NASA started sending astronauts into space, 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.

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