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 Post subject: The ball point pen
PostPosted: Tue Mar 12, 2019 9:40 pm 
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Joined: Sun Dec 06, 2009 7:17 pm
Posts: 2673
Location: NW Nevada
When NASA started sending astronauts into space they quickly discovered that ballpoint pens would not work in zero gravity.

To combat this problem Congress approved a program and NASA scientists spent a decade and over $165 million developing a pen that writes in zero gravity, upside down, on almost any surface and at temperatures ranging from below freezing to over 300 C.








The Russians used a pencil.

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