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

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Compared to sea level, time is faster at the top of Everest due to lower gravity. Time is also faster at the top of Everest because of rotational speed. Are time differences between two reference frames "stackable" such that the difference is higher/lower than if only one frame is considered?

173 upvotes

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Do migratory animals born in captivity exhibit migratory instincts?

144 upvotes

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Why do we imagine what someone looks like when we hear their voices, and what's going on when we do?

84 upvotes

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Are EM waves a ripple in a universal field, or do EM waves propagate into areas where there is no EM field?

61 upvotes

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Are heavier people less prone to being knocked unconscious than lighter people?

21 upvotes

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In a standing body of water (or any fluid), is one side higher than the other because of the earth's rotation?

9 upvotes

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A habitat is built on the moon: if we didn’t put down an artificial floor would air leak out through the ground under the enclosure?

9 upvotes

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If I weigh X and add Y weight to my body during exercise, do I burn the same calories as a person who weights X+Y?

8 upvotes

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Is there a window during which we can't get sick again?

6 upvotes

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How did naval ballistics work in World War I?

6 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Compared to sea level, time is faster at the top of Everest due to lower gravity. Time is also faster at the top of Everest because of rotational speed. Are time differences between two reference frames "stackable" such that the difference is higher/lower than if only one frame is considered?	173
Do migratory animals born in captivity exhibit migratory instincts?	144
Why do we imagine what someone looks like when we hear their voices, and what's going on when we do?	84
Are EM waves a ripple in a universal field, or do EM waves propagate into areas where there is no EM field?	61
Are heavier people less prone to being knocked unconscious than lighter people?	21
In a standing body of water (or any fluid), is one side higher than the other because of the earth's rotation?	9
A habitat is built on the moon: if we didn’t put down an artificial floor would air leak out through the ground under the enclosure?	9
If I weigh X and add Y weight to my body during exercise, do I burn the same calories as a person who weights X+Y?	8
Is there a window during which we can't get sick again?	6
How did naval ballistics work in World War I?	6