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Lluis Olle's latest activity
Lluis Olle
reacted to
Dale's post
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I
Which theory of time is the most evidence-based?
with
Like
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Those aren’t theories, they are interpretations. None of them make different experimental predictions for anything, so none of them are...
May 11, 2024
Lluis Olle
reacted to
Dale's post
in the thread
I
Which theory of time is the most evidence-based?
with
Like
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Every physics theory that I am aware of uses time as part of the theory. I don’t know if I would call any of them a theory “of time”.
May 11, 2024
Lluis Olle
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Frabjous's post
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I
Which theory of time is the most evidence-based?
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I wouldn’t call it a theory of time, but there is stuff like this...
May 11, 2024
Lluis Olle
reacted to
Vanadium 50's post
in the thread
I
Which theory of time is the most evidence-based?
with
Sad
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That's just stringing words together. People are being polite. It's nice that they are trying to help, but if you don't know what you...
May 11, 2024
Lluis Olle
reacted to
bhobba's post
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Excellent Free Course On Einsten, Relativity, His Views Etc from Harvard
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Hi All I just finished the following course on Einstein and Relativity...
May 11, 2024
Lluis Olle
reacted to
Orodruin's post
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Mass defect and electron transition
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Wrong. It is contributed by the proton-electron system. This system includes the electromagnetic field configuration as well as the...
May 11, 2024
Lluis Olle
reacted to
Nugatory's post
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B
Mass defect and electron transition
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No, the mass of the electron is unchanged, as is the mass of the proton.. The mass of a multi-particle system is generally not equal to...
May 11, 2024
Lluis Olle
reacted to
Dale's post
in the thread
I
Falling through the event horizon of an evaporating black hole
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One other problem is that the Schwarzschild coordinates apply to an eternal black hole, not one where the black hole evaporates due to...
May 11, 2024
Lluis Olle
reacted to
Ibix's post
in the thread
I
Falling through the event horizon of an evaporating black hole
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Like
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Pretty much correct, although "perspective" is unhelpful. Due to increasing gravitational redshift the distant observer never directly...
May 11, 2024
Lluis Olle
replied to the thread
Collection of Lame Jokes
.
A local man is calmly leaning against a fence in the countryside, when a city tourist approaches him and asks: -What a big flock of...
May 9, 2024
Lluis Olle
replied to the thread
Collection of Lame Jokes
.
An icelander guy arrives home, and speaks loudly to his wife: - I' m really pissed! The speech therapyst says I don't pronunce...
May 9, 2024
Lluis Olle
replied to the thread
I
Einstein brother-in-law elevator
.
That will not give the correct numbers, because in the scenario the test particle do fall radially, but the light beam does not, and is...
Apr 18, 2024
Lluis Olle
replied to the thread
I
Einstein brother-in-law elevator
.
The point is: none. I just set up an scenario, derive the required Geodesic equations using the Schwarzschild metric, stating at the...
Apr 18, 2024
Lluis Olle
replied to the thread
I
Einstein brother-in-law elevator
.
Don't know what this "vertical coordinate" is ¿?. I'm working with the Schwarzschild coordinates. The light pulse, moving from side to...
Apr 18, 2024
Lluis Olle
reacted to
Ibix's post
in the thread
I
Einstein brother-in-law elevator
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Like
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Note that the equations of motion for this case can be found in textbooks. Carroll's lecture notes equations 7.43, 7.44, 7.47 and 7.48...
Apr 18, 2024
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