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

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What physically happens near massive objects that dilates time, what is fundamentally going on that alter its flow?

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What happens physically, at a particle level, that dilates time near massive objects, relative to e.g. Earth?

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We know time is dilated near massive objects, or near the speed of light, relative to "ours". Is there a fundamental difference in the particles properties and their interactions that makes it so, or a different set of detectable data that makes it empirically evident besides comparing clocks?

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Is the effect of (hypo)mania on sleep the same as caffeine, a "fake" feeling of alertness, or does the brain actually take less time to fully rest than normal?

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Is there something, other than comparing clocks, that we can measure or detect to tell that time is dilated near massive objects, relative to Earth? Some other giveaway that isn't time measurements comparison?

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Are there some telltale signs which can be used to spot time dilation, outside of comparing clocks? Data we can gather that proves time dilation (in reference to Earth) is happening, without the need to look at two clocks, or as an alternative comparison with reference data from Earth?

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What happens during (hypo)mania that heavily affects the need to sleep? Does the brain really need less rest, or is it a caffeine-like effect?

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If space is expanding and all galaxy clusters are pulled apart from each other, how can they never collide with any other cluster?

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What is the current research/consensus about the usefulness of Gabapentin, in mood disorders?

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Why does the body us apoptosis as a defence mechanism during viral infections?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What physically happens near massive objects that dilates time, what is fundamentally going on that alter its flow?	1
What happens physically, at a particle level, that dilates time near massive objects, relative to e.g. Earth?	1
We know time is dilated near massive objects, or near the speed of light, relative to "ours". Is there a fundamental difference in the particles properties and their interactions that makes it so, or a different set of detectable data that makes it empirically evident besides comparing clocks?	1
Is the effect of (hypo)mania on sleep the same as caffeine, a "fake" feeling of alertness, or does the brain actually take less time to fully rest than normal?	1
Is there something, other than comparing clocks, that we can measure or detect to tell that time is dilated near massive objects, relative to Earth? Some other giveaway that isn't time measurements comparison?	1
Are there some telltale signs which can be used to spot time dilation, outside of comparing clocks? Data we can gather that proves time dilation (in reference to Earth) is happening, without the need to look at two clocks, or as an alternative comparison with reference data from Earth?	1
What happens during (hypo)mania that heavily affects the need to sleep? Does the brain really need less rest, or is it a caffeine-like effect?	1
If space is expanding and all galaxy clusters are pulled apart from each other, how can they never collide with any other cluster?	1
What is the current research/consensus about the usefulness of Gabapentin, in mood disorders?	1
Why does the body us apoptosis as a defence mechanism during viral infections?	1