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Einstein's E = mc2 Mistakes

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Scientific Paper
TitleEinstein's E = mc2 Mistakes
Author(s)Hans C Ohanian
KeywordsRelativity, Mass
Published2008
No. of pages10

Abstract

Although Einstein's name is closely linked with the celebrated relation E = mc2 between mass and energy, a critical examination of the more than half dozen "proofs" of this relation that Einstein produced over a span of forty years reveals that all these proofs suffer from mistakes. Einstein introduced unjustified assumptions, committed fatal errors in logic, or adopted low-speed, restrictive approximations. He never succeeded in producing a valid general proof applicable to a realistic system with arbitrarily large internal speeds. The first such general proof was produced by Max Laue in 1911 (for "closed" systems with a timeindependent energy-momentum tensor) and it was generalized by Felix Klein in 1918 (for arbitrary timedependent "closed" systems).