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Topic: « Monsieur, personnellement, je ne suis pas d'accor
d avec Einstein... »

Replies: 8   Last Post: Oct 8, 2013 8:41 AM

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Pentcho Valev

Posts: 3,223
Registered: 12/13/04
Re: « Monsieur, personnellement, je ne suis pas d'a
ccord avec Einstein... »

Posted: Oct 8, 2013 8:41 AM
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http://www.amazon.com/The-Quest-Unity-Adventure-Physics/dp/019512085X
The Quest for Unity: The Adventure of Physics, Etienne Klein, Marc Lachièze-Rey, p. 47: "Einstein next took one of the implicit consequences of Maxwell's theory and elevated it to the status of principle. It says that light must always travel at the same speed c, equal to 300,000 km/s, regardless of any possible motion of an observer."

Vous mentez, Etienne Klein et Marc Lachièze-Rey ? Pourquoi ?

Selon la théorie de Maxwell, la vitesse de la lumière (par rapport à l'observateur) VARIE avec la vitesse de l'observateur:

http://www.pitt.edu/~jdnorton/papers/Chasing.pdf
John Norton: "That [Maxwell's] theory allows light to slow and be frozen in the frame of reference of a sufficiently rapidly moving observer."

http://culturesciencesphysique.ens-lyon.fr/XML/db/csphysique/metadata/LOM_CSP_relat.xml
Gabrielle Bonnet, École Normale Supérieure de Lyon: "Les équations de Maxwell font en particulier intervenir une constante, c, qui est la vitesse de la lumière dans le vide. Par un changement de référentiel classique, si c est la vitesse de la lumière dans le vide dans un premier référentiel, et si on se place désormais dans un nouveau référentiel en translation par rapport au premier à la vitesse constante v, la lumière devrait désormais aller à la vitesse c-v si elle se déplace dans la direction et le sens de v, et à la vitesse c+v si elle se déplace dans le sens contraire."

http://www.amazon.com/Brief-History-Time-Stephen-Hawking/dp/0553380168
Stephen Hawking: "Maxwell's theory predicted that radio or light waves should travel at a certain fixed speed. But Newton's theory had got rid of the idea of absolute rest, so if light was supposed to travel at a fixed speed, one would have to say what that fixed speed was to be measured relative to. It was therefore suggested that there was a substance called the "ether" that was present everywhere, even in "empty" space. Light waves should travel through the ether as sound waves travel through air, and their speed should therefore be relative to the ether. Different observers, moving relative to the ether, would see light coming toward them at different speeds, but light's speed relative to the ether would remain fixed."

Pentcho Valev



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