News & AnalysisPhysics

Textbook Electrodynamics May Contradict Relativity

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Science  27 Apr 2012:
Vol. 336, Issue 6080, pp. 404
DOI: 10.1126/science.336.6080.404

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A basic equation of electricity and magnetism is wrong, one scientist claims. The classic formula for the force exerted by electric and magnetic fields—the so-called Lorentz force—clashes with Einstein's special theory of relativity, says Masud Mansuripur, an electrical engineer at the University of Arizona in Tucson. Others doubt the claim but have not found a flaw in the simple argument that challenges century-old textbook physics.