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Why don't astronauts use a fountain pen or a ball point pen with liquid ink in a spacecraft

Why don't astronauts use a fountain pen or a ball point pen with liquid ink in a spacecraft
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Why don't astronauts use a fountain pen or a ball point pen with liquid ink in a spacecraft

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User Andong Zhan
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1 Answer

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It's probably because there is no gravity which ballpoint pens need for inkflow to the tip.
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User Pablo Halpern
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