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 Lene Vestergaard Hau, a Danish scientist working at the Rowland Institute at Harvard, successfully created a Bose-Einstein condensate and shone light rays through the resulting vapor.  Breaking the Time Barrier: The Race to Build the First Time Machine â´Â Jenny Randles - 2005 - 288 ˹éÒ äÁèÁÕµÑÇÍÂèÒ§ -
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