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Experimental quest to test Einstein’s speed limit

Special relativity states that the speed of light is the same in all frames of reference and that nothing can exceed that limit. UC Berkeley physicists used a novel experimental system — the unusual electron orbitals of dysprosium — to test whether the maximum speed of electrons follows this rule. The answer is yes, to tighter limits than ever before. They plan another experiment a thousand times more sensitive, approaching the realm where theory may break down.

Fuente : http://www.eurekalert.org/pub_releases/2013-07/uoc…

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