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The Quantum Mechanics of Time Travel

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Dr. Seth Lloyd, an MIT professor and self-described “quantum mechanic,” describes the quantum mechanics behind time travel during a guest lecture at the Institute for Quantum Computing, University of Waterloo (www.iqc.ca). Recorded on Nov. 4, 2010, this is entire lecture entitled “Sending a Photon Backwards in Time.” Dr. Lloyd also sat down for a one-on-one ...

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