/u/paulysch's posts in /r/askscience

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Why rocket engine "exhaust pipe" is shaped like a bell rather than a nozzle?

298 upvotes

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Would syringe hold liquid in vacuum?

11 upvotes

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Is force a function of mass?

1 upvotes

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Why do we say tons instead of megagrams?

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Since specific price of aramid is lower than carbon fiber, why does majority play with CF now instead of aramid?

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Did humans evolve certain traits during the ice age?

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Would a dead body decompose on Mars?

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Would time fly faster near negative mass objects?

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If we were to drain the Mariana Trench of water and put a person there, what possible effects would atmospheric pressure cause on the person?

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If no atoms touch each other how does the friction work?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why rocket engine "exhaust pipe" is shaped like a bell rather than a nozzle?	298
Would syringe hold liquid in vacuum?	11
Is force a function of mass?	1
Why do we say tons instead of megagrams?	1
Since specific price of aramid is lower than carbon fiber, why does majority play with CF now instead of aramid?	1
Did humans evolve certain traits during the ice age?	1
Would a dead body decompose on Mars?	1
Would time fly faster near negative mass objects?	1
If we were to drain the Mariana Trench of water and put a person there, what possible effects would atmospheric pressure cause on the person?	1
If no atoms touch each other how does the friction work?	1