PeterDonis's latest activity
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PeterDonis reacted to Dale's post in the thread I How strong is the justification for low probability extreme thermal fluctuations? with
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> the probability of this is also the same value P. > > Is the experimental evidence that we have for establishing these probabilities... -
PeterDonis replied to the thread I How strong is the justification for low probability extreme thermal fluctuations?.I said it would take an unworkably long amount of time. That's because of the number of rolls that would be required to test for a small...
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PeterDonis replied to the thread I How strong is the justification for low probability extreme thermal fluctuations?.@syed, I strongly recommend that you read and re-read this particular statement in my post until you thoroughly understand it. Claims...
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PeterDonis replied to the thread I How strong is the justification for low probability extreme thermal fluctuations?.Our justification is that our current known laws of physics say this is possible, just extremely, extremely, extremely unlikely. I'm...
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PeterDonis replied to the thread B Trying to calculate proper time of worldlines using rotating frames.The only way for us to evaluate that would be for you to post your calculation. But it might be better for you to look up Born...
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PeterDonis replied to the thread B Trying to calculate proper time of worldlines using rotating frames.Look up Born Coordinates.
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.I think you're confused. See below. What does that even mean? Physics doesn't work by "imagining" things. You can't. There's just one...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.I don't know where you're getting this from either. See my post #28 just now; the fact I stated there contradicts what you're claiming...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.I don't know what you're basing this on. In any deterministic theory, the number of trajectories and the number of initial states are...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.We don't, because we don't know the exact state of the universe, and the knowledge we do have is not sufficient to rule out any...
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PeterDonis replied to the thread I Energy*time uncertainty for particle decay.Depends on what you mean. The de Broglie formula still appears in heuristic discussions of momentum in quantum mechanics (see, for...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.If that's what he's trying to claim, he's wrong. See my post #22 just now.
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.You don't need gravity to turn itself off for an extremely, extremely, extremely improbable set of conditions to make the table...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.I don't know where you're getting this from. Classical mechanics says that the motion is deterrmined by the initial conditions and the...
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PeterDonis replied to the thread B Is a table levitating possible, even at a minuscule probability?.They're the same thing. "Statistical mechanics", at least if we're talking about classical physics, is derived from "the deterministic...