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

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For a particle to evaporate from a black hole, it would have to travel at near the speed of light or it would just be reabsorbed. Is this what theory suggests happens?

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For multiverse theories, where are the other universes posited to exist? Are they thought to be x light-years away in a given direction, or are they other dimensional, or something else?

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Do the "dangers of sitting" apply to laying down too?

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Do any mammals other than primates have belly buttons?

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The speed of light in a medium is less than c due to photons stopping to interact with particles in the medium. Does this happen with gravity, too?

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What is the volume of a single photon in free space? If it doesn't have one, is it because it follows the Schrodinger equation for probability distribution, or for a different reason?

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For an event that happened in the past but the light hasn't reached us yet, is it correct to say it happened in the past, or will happen in the future, or are both equally correct, or is neither correct?

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Assuming an ideal gas, is the density of a gas related to its molecular weight?

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Does warm blooded or cold blooded have anything to do with blood?

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During intense videogame sessions, I perform noticeably better when slouched forward. Is there a name for this phenomenon? Is it common? What causes this?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
For a particle to evaporate from a black hole, it would have to travel at near the speed of light or it would just be reabsorbed. Is this what theory suggests happens?	1
For multiverse theories, where are the other universes posited to exist? Are they thought to be x light-years away in a given direction, or are they other dimensional, or something else?	1
Do the "dangers of sitting" apply to laying down too?	1
Do any mammals other than primates have belly buttons?	1
The speed of light in a medium is less than c due to photons stopping to interact with particles in the medium. Does this happen with gravity, too?	1
What is the volume of a single photon in free space? If it doesn't have one, is it because it follows the Schrodinger equation for probability distribution, or for a different reason?	1
For an event that happened in the past but the light hasn't reached us yet, is it correct to say it happened in the past, or will happen in the future, or are both equally correct, or is neither correct?	1
Assuming an ideal gas, is the density of a gas related to its molecular weight?	1
Does warm blooded or cold blooded have anything to do with blood?	1
During intense videogame sessions, I perform noticeably better when slouched forward. Is there a name for this phenomenon? Is it common? What causes this?	1