Physicist will attempt to send a signal backwards

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The reflection of UW physicist John Cramer can be seen as he prepares an experiment with lasers. Cramer is planning to test a new idea related to how light behaves in the quantum realm. (November 15, 2006)

Source:
http://seattlepi.nwsource.com/local/292378_timeguy15.html



If his experiment with splitting photons actually works, says University of Washington physicist John Cramer, the next step will be to test for quantum "retrocausality."

That's science talk for saying he hopes to find evidence of a photon going backward in time.
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Einstein ridiculed the idea as "spooky action at a distance." Quantum mechanics must be wrong, the father of relativity contended, because that behavior requires some kind of "signal" passing between the two particles at a speed faster than light.
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..."A NASA engineer on Earth could put on goggles and steer a Mars rover in real time," said Cramer, offering one example....
 
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