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

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Could forensic analysis identify who left behind a fart?

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I've asked this before, but never got a response. We have an estimate that there are ~10^80 atoms in the universe. Is there an estimate of the number of photons in the universe, or other particles?

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How would a black hole decay? I thought nothing that came in could ever leave?

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According to this Numberphile video, the sum of all positive intergers is -1/12. What is going on here?

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According to current understanding, no information can leave a black hole... But isn't gravity information?

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So at what speed does physics begin to 'break'?

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Does the theory of time slowing down have any credibility or is it just a load of crap?

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Is the speed at which a force acts limited by the speed of light?

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Is a theory of everything necessary?

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You put a single molecule of gas in a 50 gallon drum. Does the molecule settle at the bottom of the drum, or does the bottom of the drum give the molecule enough energy to bounce around?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Could forensic analysis identify who left behind a fart?	1
I've asked this before, but never got a response. We have an estimate that there are ~10^80 atoms in the universe. Is there an estimate of the number of photons in the universe, or other particles?	1
How would a black hole decay? I thought nothing that came in could ever leave?	1
According to this Numberphile video, the sum of all positive intergers is -1/12. What is going on here?	1
According to current understanding, no information can leave a black hole... But isn't gravity information?	1
So at what speed does physics begin to 'break'?	1
Does the theory of time slowing down have any credibility or is it just a load of crap?	1
Is the speed at which a force acts limited by the speed of light?	1
Is a theory of everything necessary?	1
You put a single molecule of gas in a 50 gallon drum. Does the molecule settle at the bottom of the drum, or does the bottom of the drum give the molecule enough energy to bounce around?	1