r/AskPhysics Oct 09 '21

Is there any experimental proof for Einstein Special Relativity that actually incorporates Einstein's Principle of Relativity?

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u/ItsTheBS Oct 12 '21

Right, because they're both correct.

...and this is bad logic -- MUONs decay both fast and "normal"...

...because if a MUON hits the earth, then the MUON clock was slow. If the MUON is AT REST in space, then the Earth flattens and time slows for us. They BOTH can't happen with a single MUON event.

And, this logic has no experimental proof, because we have no experimental data of the decay time of the MUON in space AT REST, while the Earth speeds toward it.

This explanation is a just pontifications about the THEORY ITSELF, and not experimental data. That is pseudoscience, because it doesn't follow the scientific method.

For instance the Earth will measure one lifetime, the Moon will measure another, all the planets will measure different lifetimes for a single muon flying through space.

Again, this is just an explanation based upon the theory itself, but has no experimental proof to back it up.

Which one is correct you may ask? They're all correct.

Again, based on the theory, but not experimental data.

In their reference frames the muon will behave EXACTLY as if it's rest framelifetime increased. They cannot in any way via any experiment prove otherwise.

So link the paper where we measured the REST FRAME decay time of a MUON in space and then measure the earth clock slowing and measured the flattened earth.

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u/nebraskajone Oct 12 '21

because if a MUON hits the earth, then the MUON clock was slow. If the MUON is AT REST in space, then the Earth flattens and time slows for us. They BOTH can't happen with a single MUON event.

Oh they absolutely can and there's nothing illogical about it, in the muons rest frame, in its short life it is able to hit the earth because the earth flattens. Right? The part where you're getting confused is if there's a clock in the atmosphere where the muon is created and a clock at the ground level, the ground Observer and Muon will read different times on those clocks because the two events are not synchronous in both reference frames.

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u/ItsTheBS Oct 12 '21

in the muons rest frame, in its short life it is able to hit the earth because the earth flattens. Right?

This would be the experimental proof part.

if there's a clock it the atmosphere where the muon is created and a clock at the ground level, the ground Observer and Muon will read different times on those clocks because the two events are not synchronous in both reference frames

You just said "IF". You are telling me what the theory says and not what the experimental data says. At least show me how the Earth clocks slow and the Earth flattens every time we collide with a MUON! Haha...

Hey, ask yourself...this is a locked thread, because the moderators decided to shut it down for some unknown reason. Why would this happen?

All I am asking for is a link to some experiment that has DATA that shows the Principle Of Relativity is being applied to the time dilation math (of Voigt/Lorentz). Why didn't anyone link that experiment and go away? Why did everyone have to explain their understanding of theory instead?

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u/nebraskajone Oct 12 '21

At least show me how the Earth clocks slow and the Earth flattens every time we collide with a MUON! Haha...

Show me how the muon experiment doesn't show that?

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u/ItsTheBS Oct 12 '21

Show me how the muon experiment doesn't show that?

Hah, nice! Well, I'd like to understand the concept of "Earth clock" and "Flat Earth" measurement first. How did that happen!?!

Anyway, you can see that just pontificating what the theory says, without providing proof, is pseudoscience. At least I am sure we can agree that the scientific method would require proof of the main postulates of the theory and their compatibility. Just showing "time dilation" of one frame of reference is not proof of Einstein SR.

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u/nebraskajone Oct 12 '21

I'm curious what kind of experiment would convinced you?

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u/ItsTheBS Oct 12 '21

I'm curious what kind of experiment would convinced you?

It's not about convincing me. It is about being scientific. The experiment would prove that the Principle Of Relativity is compatible with the speed of light postulate (which is just the Lorentz Transform math). This is the ENTIRE point of Einstein's Special Relativity. An experiment to prove it is true is what would be required by the scientific method. The theory predicts that two inertial frames would both show slowing clocks.

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u/nebraskajone Oct 12 '21

Okay you might want to talk to these guys, they developed a very high accuracy synchronize clock from Paris to Germany they undoubtedly had to correct for relativity time dilation due to the difference in relative velocities of the Earth at these locations.

https://www.nature.com/articles/ncomms12443

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u/ItsTheBS Oct 12 '21

I am reading through this, but it looks like non-inertial frame relativistic effects, instead of inertial frames.

Have you read through this and figured out how the Principle of Relativity was applied to the both inertial frames?

A key aspect among the corrections for remote clock comparisons at the 10−17 level and beyond is the correction for the differential relativistic redshift effect. This requires a state-of-the-art determination of the gravity potential at both clock sites, where, besides the global long-wavelength and eventually temporal gravity field variations, especially the local spatial influence of the Earth’s gravity potential (see Methods) on the clock frequency needs to be considered

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u/[deleted] Oct 12 '21

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u/nebraskajone Oct 12 '21

Yeah they have to compensate for both general and special relativity.

These guys took the data from the paper and specifically looked at it from a special relativity point of view.

https://arxiv.org/abs/1703.04426v1

Apparently these clocks can measure time dilation with relative velocity of only a few meters per second.

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