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Dale's latest activity
Dale
replied to the thread
A
Testing antimatter fundamentals
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That is a silly and false dichotomy. The spending alternatives are not between antimatter research on one hand and between unemployment...
Today, 10:58 AM
Dale
replied to the thread
A
Testing antimatter fundamentals
.
There was recently the experimental confirmation that antimatter falls down. That was using anti hydrogen, so that is two body. The...
Today, 9:59 AM
Dale
replied to the thread
I
What is the zero point for Potential Energy and how to find it from integral limits?
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That is correct, but then this is not a change of variable, this is a completely different integral so it does not make sense to say...
Yesterday, 10:40 AM
Dale
replied to the thread
I
What is the zero point for Potential Energy and how to find it from integral limits?
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This makes no sense: $$\int_0^{h}= \ ...$$ is not a well formed expression. If that really is the expression in your book then you need...
Yesterday, 8:47 AM
Dale
replied to the thread
I
What is the zero point for Potential Energy and how to find it from integral limits?
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Your change of limits is incorrect. Also you are forgetting the differential, and forgetting to write clearly what variable ##F## is a...
Yesterday, 7:44 AM
Dale
reacted to
cianfa72's post
in the thread
I
On the physical meaning of Minkowski's spacetime model
with
Like
.
Ah ok, one can analyze it from the point of view of the inertial frame where the second postulate holds. No, the two emitted pulses do...
Tuesday, 7:57 PM
Dale
replied to the thread
I
On the physical meaning of Minkowski's spacetime model
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Yes, from that you can derive the fact that in the rotating reference frame a light beam traversing clockwise or counterclockwise will...
Tuesday, 6:45 AM
Dale
replied to the thread
I
On the physical meaning of Minkowski's spacetime model
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The second postulate.
Tuesday, 5:15 AM
Dale
replied to the thread
I
On the physical meaning of Minkowski's spacetime model
.
That is correct. A light beam traversing clockwise or counterclockwise will give different times.
Monday, 12:03 PM
Dale
reacted to
pinball1970's post
in the thread
Why are Physicists so informal with mathematics?
with
Like
.
Medics, students of dentistry and probably the vast majority of life sciences have to complete units on biochemistry, bacteriology...
Monday, 8:18 AM
Dale
replied to the thread
I
On the physical meaning of Minkowski's spacetime model
.
Yes. This is also the reason why Einstein synchronization is not possible (globally) in a rotating reference frame
Monday, 8:18 AM
Dale
reacted to
cianfa72's post
in the thread
I
On the physical meaning of Minkowski's spacetime model
with
Like
.
I found this Einstein synchronisation on Wikipedia related someway to this topic. Basically is a theorem (iff) that the consistency of...
Monday, 6:53 AM
Dale
reacted to
Orodruin's post
in the thread
Why are Physicists so informal with mathematics?
with
Like
.
I am echoing your sentiment from earlier because it is the exact same argument. Please explain to the people of 1000 years ago how the...
Sunday, 9:46 PM
Dale
reacted to
Frabjous's post
in the thread
Why are Physicists so informal with mathematics?
with
Like
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That’s several history of science courses. It took centuries to get from Newton to Hamilton. Faraday started his career in the 1810’s...
Sunday, 6:28 PM
Dale
replied to the thread
Why are Physicists so informal with mathematics?
.
Another ill informed generalization. Some medical education DOES involve experimentation; I know: I coauthored papers where medical...
Sunday, 6:26 PM
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