Physicist suggests some types of wormholes may stay open long enough to send a photon through

Wednesday, May 21, 2014 - 11:10 in Physics & Chemistry

University of Cambridge physicist Luke Butcher has uploaded a paper to the arXiv preprint server suggesting that there might exist some type of wormhole that is capable of staying open long enough for a photon to pass through—which of course suggests the possibility of sending messages backwards or forwards in time.

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