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

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If there was a rope going from the moon to earth with two people at each end, what would happen if one of them pulled on it?

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If you eat something and vomit it up right after (within 30m) do you still absorb the calories? Or do they "not count" now?

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Assume the earth was the size of a soccer ball and was as dense and strong as titanium, and then assume some powerful creature hits the planet with a magic axe, and puts a dent 6" long and 2.5" deep in it. How would that affect the planet, barring knocking it out of orbit?

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Since heat is the result of an object's particles moving quickly and erratically, and sound is just vibrating air, can you create heat with sound?

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Is it just a coincidence that the human sleep/wake cycle coincides with how long a day regularly is (in most parts of the world) or did we evolve to associate sleep with darkness? What benefits would that have had?

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Why does the human body feel tired when it gets too much sleep?

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What makes hair curly or straight?

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How would a helium balloon act on a planet with a lesser atmosphere than earth?

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How do they measure the actual temperature and the "what it feels like" temperature? What's the difference?

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What would happen to the world if all of the nitrogen in our atmosphere suddenly disappeared?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If there was a rope going from the moon to earth with two people at each end, what would happen if one of them pulled on it?	2
If you eat something and vomit it up right after (within 30m) do you still absorb the calories? Or do they "not count" now?	1
Assume the earth was the size of a soccer ball and was as dense and strong as titanium, and then assume some powerful creature hits the planet with a magic axe, and puts a dent 6" long and 2.5" deep in it. How would that affect the planet, barring knocking it out of orbit?	1
Since heat is the result of an object's particles moving quickly and erratically, and sound is just vibrating air, can you create heat with sound?	1
Is it just a coincidence that the human sleep/wake cycle coincides with how long a day regularly is (in most parts of the world) or did we evolve to associate sleep with darkness? What benefits would that have had?	1
Why does the human body feel tired when it gets too much sleep?	1
What makes hair curly or straight?	1
How would a helium balloon act on a planet with a lesser atmosphere than earth?	1
How do they measure the actual temperature and the "what it feels like" temperature? What's the difference?	1
What would happen to the world if all of the nitrogen in our atmosphere suddenly disappeared?	1