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Lorentz's most famous work is the Lorentz contraction for an object traveling at relativistic speeds, which he introduced in 1904.<ref>http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Lorentz.html</ref> This predicts that mass will increase and shorten its length at speeds approaching the [[speed of light]], and that time dilation of such a body occurs.  

Lorentz's most famous work is the Lorentz contraction for an object traveling at relativistic speeds, which he introduced in 1904.<ref>http://www-groups.dcs.st-and.ac.uk/~history/Biographies/Lorentz.html</ref> This predicts that mass will increase and shorten its length at speeds approaching the [[speed of light]], and that time dilation of such a body occurs.  

Lorentz always hoped that [[quantum theory]] could be described by classical mechanics.

Lorentz always hoped that [[Quantum mechanics|quantum theory]] could be described by classical mechanics.

==References==

==References==