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<DIV>Hi Carl,</DIV>
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<DIV>I don’t believe in time dilatation because there is no experiment which can
measures DIRECTLY the time variation itself, there are only interpretation or
explanation.</DIV>
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<DIV>To explain Michelson and Morley results, A. Einstein formulated the theory
of special relativity, deriving the Lorentz transformation on the hypotheses of
length contraction and time dilatation.</DIV>
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<DIV>But Lorentz transformation can be derived without the hypotheses of length
contraction and time dilatation (on the single hypothesis that gravitational
mass is different from the inertial mass ; see : <A
title=http://www.scirp.org/journal/PaperInformation.aspx?PaperID=54203
href="http://www.scirp.org/journal/PaperInformation.aspx?PaperID=54203">http://www.scirp.org/journal/PaperInformation.aspx?PaperID=54203</A>),
and thus Michelson and Morley results can be explained without time
dilatation.</DIV>
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<DIV>Best regards</DIV>
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