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The astronauts use the for writing …

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The astronauts use the for writing space
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Meghna Thapar 1 year, 8 months ago

The Space Pen was invented by Paul Fisher, head of Fisher Pen Company. Unlike a typical pen, the Fisher Space Pen uses compressed nitrogen to force ink out of the nozzle, instead of using gravity to make it flow. This made it the ideal device for writing in space, while upside down, or submerged underwater.

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