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  #1  
Old 09-25-2011, 10:26 AM
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Scientists challenge Einsteins theory

European scientists have found evidance that Einsteins theory of relativity may not be that sound after all.

The theory, that nothing can go faster than the speed of light, has been challenged by new findings that showed an oddball type of subatomic particle called 'Neutrino' clocking an even faster speed.

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Old 09-25-2011, 11:13 AM
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It's light.
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Old 09-26-2011, 04:09 AM
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Any one wanting to challenge Einsteins work needs to look at the footage of what happened in Japan.

E = M C^2

To the average person this suggests that energy & matter are one & the same thing.

His other work was just extensions & applications of this. What we see with these high speed particles is an exercise in frames of reference understanding.

If Chilcutt was traveling at .75xC south & I was going north at .75xC one would expect that I would see Chilcutt approaching at 1.5xC . Einstein's theory suggests that this would not be the case.
In time we can be confident that the researchers will find that it all works out.
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Old 09-26-2011, 11:29 AM
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There's no question Einstein was a genius.
As well as others of his time, Max Plank, John Dalton, J.J Thomson, Maxwell, etc....

I believe he made a mistake assigning a fixed value to the speed of light. I think that's why he failed with his unified theory.

What we know now is better that Newtonian physics and it will only get better!

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Old 09-26-2011, 12:06 PM
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Quote:
Originally Posted by dannym View Post
There's no question Einstein was a genius.
As well as others of his time, Max Plank, John Dalton, J.J Thomson, Maxwell, etc....

I believe he made a mistake assigning a fixed value to the speed of light. I think that's why he failed with his unified theory.

What we know now is better that Newtonian physics and it will only get better!

Danny
Do you suppose Einstein had ego issues. Or was so smart that he was just plain weird, and hard to work with?
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Old 09-26-2011, 12:48 PM
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There isn't a fixed speed of light. There is a fixed speed of light through a given medium.

Just sayin'.
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Old 09-26-2011, 12:52 PM
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Fixed speed of light in a vacuum.

That's the basis Einstein's general relativity and the Lorentz time/length dilation.
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Old 09-26-2011, 12:54 PM
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Vacuum being one of many media.
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Old 09-26-2011, 12:55 PM
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No.

It is the absence that makes it a vacuum. The aether was abandoned as a concept about 75 years ago or so.

Theory does allow light to travel faster through media.
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Old 09-26-2011, 01:00 PM
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The ether is a different proposition from propagation of electromagnetism through space.


As Einstein clearly indicated, space itself is deformable and that deformation impacts the propagation of light.

It is a medium, no question. It's merely a medium without substance (yet).
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Old 09-26-2011, 01:40 PM
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That is exactly what the aether was conceptualized to cover. A media through which EM waves travel.

The M-M experiments experimentally demonstrated that the concept was not needed.

One may state that based upon quantum mechanical considerations that a classical vacuum is an impossibility.

Normally, however the term vacuum is intended to convey the absence of all.

The purpose of my original post was to clarify what is the actual speed-limit of light and that it is defined in vacuo, which has been experimentally verified until, perhaps this recent observation.
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Old 09-26-2011, 01:41 PM
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^ exactly. The medium is devoid of particles but is a medium nonetheless. Einsteins theory might hold up if somehow find that they created a ripple in the fabric of space-time but who knows how they could accurately and concretely verify that.
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Old 09-26-2011, 02:30 PM
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If you ask a physicist the speed of light their first response would be, "in media or in vacuo?"

The constraint on the speed of light only applies in vacuo.

This quote was given -

Quote:
Originally Posted by Botnst View Post
There isn't a fixed speed of light. There is a fixed speed of light through a given medium.

Just sayin'.
It's not quite correct.

I offered what a physicist would say, "the speed of light in vacuo is fixed."

If useful use it. If not ignore my remark.
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Old 09-26-2011, 06:31 PM
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So do I need to put a / through the = on my tatoo or not?
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  #15  
Old 09-26-2011, 06:44 PM
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Quote:
Originally Posted by sjh View Post
If you ask a physicist the speed of light their first response would be, "in media or in vacuo?"

The constraint on the speed of light only applies in vacuo.

This quote was given -



It's not quite correct.

I offered what a physicist would say, "the speed of light in vacuo is fixed."

If useful use it. If not ignore my remark.
What I wrote is exactly correct. The speed of light varies with the medium through which it passes. More generally, electromagnetic radiation ... etc.

In each medium it is constant for that medium.


Space, absent matter, remains a medium.

Michaelson-Morley demonstrated the ether is unnecessary for the propagation of light but did NOT demonstrate that space (absent matter) is non-existent.

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