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The Speed Of Light Is NOT About Light | Space Time | PBS Digital Studios

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 Astronomy   |   Physics   |   Science
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The Speed of Causality
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The speed of light is often cited as the fastest anything can travel in our universe. While this might be true, the speed of light is the EFFECT and not the CAUSE of this phenomenon. So what's the cause? On this week's episode of Space Time, Matt helps explain what the speed of light REALLY is and why it’s the cosmic speed limit of our universe!

"The Real Meaning of E=mc²":
https://www.youtube.com/watch?v=Xo232kyTsO0

"Are Space And Time An Illusion?":
https://www.youtube.com/watch?v=YycAzdtUIko

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SOURCES:

Einstein's derivation or the Lorentz transformation from the invariant speed of light:
Einstein, Albert (1916) "Relativity: The Special and General Theory"
http://www.archive.org/stream/cu31924011804774#page/n159/mode/2up

Lorentz Transformation without invariant speed of light, from relativity, isotropy, and consistency of frame transitions (closure group postulate):
von Ignatowsky, “Das Relativitatsprinzip,” Archiv der Mathematik und Physik 17, 1–24 (1911)

Berzi1 & Gorini, J. Math. Phys. 10, 1518 (1969)
http://dx.doi.org/10.1063/1.1665000

Pelissetto & Testa, American Journal of Physics, 83, 338, (2015) "Getting the Lorentz transformations without requiring an invariant speed"
http://arxiv.org/abs/1504.02423

https://en.wikipedia.org/wiki/Derivations_of_the_Lorentz_transformations

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COMMENTS:

Denny Hiu
https://www.youtube.com/watch?v=AwwIFcdUFrE&lc=z124w3dhotmtx34lk224wzxyhwqufdefe

. (RadimaxRadimaX)
https://www.youtube.com/watch?v=AwwIFcdUFrE&lc=z124xv145zzkzpiei233spnqjzraejjig04

Epsilon Lazerface
https://www.youtube.com/watch?v=AwwIFcdUFrE&lc=z12fv5ejyzyyc1dbv04cgzhyxknfzdnjcao

LassieDog999
https://www.youtube.com/watch?v=AwwIFcdUFrE&lc=z12zz13iezrqh142k23kitgxuqjqy35su

Tenebrae
https://www.youtube.com/watch?v=AwwIFcdUFrE&lc=z134yj2pcvrkhnu4u04ccdxhuufvuvkomd0

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REFERENCES:

Krauss & Scherrer 2007 http://arxiv.org/abs/0704.0221

Vardanyan, Trotta & Silk, 2011 http://arxiv.org/abs/1101.5476

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