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PeterDonis's latest activity
PeterDonis
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Where did the early photons go?
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Thread closed for moderation.
18 minutes ago
PeterDonis
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jbriggs444's post
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Where did the early photons go?
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As @PeroK is aware, the less than 2c limit is for a material object in flat spacetime. Separation velocities (the rate at which...
38 minutes ago
PeterDonis
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Question about discussions around quantum interpretations
.
In physics is that you are using a model that predicts a random distribution of outcomes. If your model predicts the same outcome every...
Today, 5:04 PM
PeterDonis
replied to the thread
I
Where did the early photons go?
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You're welcome! :smile:
Today, 4:15 PM
PeterDonis
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Where did the early photons go?
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Briefly: An invariant is a quantity that is independent of any choice of coordinates. A scalar is an invariant that is simply a...
Today, 4:14 PM
PeterDonis
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Question about discussions around quantum interpretations
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The definition of "chance" prevents it. That isn't something specific to QM.
Today, 2:33 PM
PeterDonis
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Why Do Events Freeze For Me at the Speed of Light?
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Yes, there is a last instant of your home world's future that you will ever see. However, this last instant is not seen when you reach...
Today, 12:09 PM
PeterDonis
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Where did the early photons go?
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Because we have other ways of inferring what the properties of the universe were before it became transparent to radiation. For example...
Today, 12:06 PM
PeterDonis
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Where did the early photons go?
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If you want to go beyond popular science, then you could try An Introduction to Modern Cosmology by Andrew Liddle. This is at an...
Today, 11:57 AM
PeterDonis
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Question about discussions around quantum interpretations
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QM doesn't say there is an "interaction" between the two entangled particles. Certain QM interpretations do, but not all of them.
Today, 11:56 AM
PeterDonis
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Question about discussions around quantum interpretations
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"Pure chance" wouldn't make it happen every single time. No, because "chance" would mean you would get different results on different...
Today, 11:55 AM
PeterDonis
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Question about discussions around quantum interpretations
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That isn't the way cluster decomposition is presented in the literature, though. There's no claim that it breaks down for measurements...
Yesterday, 11:22 PM
PeterDonis
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I
Question about discussions around quantum interpretations
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This would need to be experimentally tested. They don't give any specific numbers, but there are experiments showing Bell inequality...
Yesterday, 11:20 PM
PeterDonis
replied to the thread
I
Where did the early photons go?
.
That's an invariant which is due to the invariant expansion scalar, yes.
Yesterday, 9:25 PM
PeterDonis
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Question about discussions around quantum interpretations
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This paper basically seems to be saying that the correlations that break factorizability don't vanish when you look at the correct...
Yesterday, 8:37 PM
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