Science
A Man Invented a Ballpoint Pen to Write Upside Down, NASA Took It to Space – autoevolution
A joke said that NASA invested one million dollars in creating a pen that could work into space, while the Russians just used…
The truth is that American astronauts have been using Space Pens since 1968, and the reason they didn’t use a pencil is above folklore. Paul Fisher from the Fisher Pen Company was already trying to create a pencil to work upside down or horizontally, to…
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