News From the Field
Experimental Quest to Test Einstein's Speed Limit
July 29, 2013
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Special relativity states that the speed of light is the same in all frames of reference and that nothing can exceed that limit. University of California, 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 are planning another experiment a thousand times more sensitive, approaching the realm where theory may break downFull Story
University of California, Berkeley
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