Dale's latest activity
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Dale reacted to Ibix's post in the thread I I don't see how a black hole's event horizon can be crossed with
Like.
The question you need to answer is what you want out of the discussion. If you want facts about black holes then almost any source is... -
Dale reacted to Foretranimal's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
It is hard, if not impossible, to maintain an openness to learn anything when you sincerely ask someone where they are making a mistake...
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Dale replied to the thread I I don't see how a black hole's event horizon can be crossed.It was. We are supposed to be an educational site. That is our stated goal and mission. I hope my colleagues here can look at your...
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Dale reacted to Foretranimal's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
That would be the clever insult Dirac threw at a student who made a wild guess about the wavelength of visible light when he didn't...
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Dale reacted to Greg Bernhardt's post in the thread Insights What Exactly is Dirac’s Delta Function? - Insight with Like.
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. In Dirac’s Principles of Quantum...
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Dale reacted to PeterDonis's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
I agree with this, but I think one also has to be realistic about just how much one has to learn--and unlearn.
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Dale replied to the thread I Variation of the lightning train thought experiment.Excellent, I am glad I could help
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Dale replied to the thread I I don't see how a black hole's event horizon can be crossed.I am not so pessimistic about @Foretranimal because of their openness here. There is quite a bit to do, but they do not seem resistant...
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Dale replied to the thread I Variation of the lightning train thought experiment.Length contraction is the comparison of a length in a frame where it is at rest vs the length in a frame where it is not at rest. Light...
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Dale reacted to PeroK's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
Yes, that's an excellent summary. There is a further point that an observer is not obliged to anayse things using any particular...
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Dale reacted to Foretranimal's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
Awesome - thank you. Please tell me how my premises are flawed, so I might learn. OK, I believe you. What are my specific background...
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Dale replied to the thread I I don't see how a black hole's event horizon can be crossed.By conflicting claims I am talking about your OP. These are indeed genuinely conflicting claims. But the thing is that they are not...
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Dale reacted to PeroK's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
When I was learning relativity I realised that all this about "perspectives" and "observers disagreeing" was unnecessary and leading the...
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Dale reacted to Foretranimal's post in the thread I I don't see how a black hole's event horizon can be crossed with Like.
Heh... I may have made conflicting claims. But honestly, I did not mean to make a claim. My understanding of spacetime and blackholes...
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Dale replied to the thread I I don't see how a black hole's event horizon can be crossed.Yes. Coordinates are optionally added to a manifold, but only in a manner in which all coordinates can be used to write the laws of...