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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