A practical experiment to prove Breit and Wheeler's theory that it would be possible to convert light into matter has been devised by Imperial College London physicists after an 80-year wait. While the theory is accepted to be true, it was initially said to be impossible to prove under laboratory conditions. However, in just one day, three physicists have managed to calculate a way of physically proving the hypothesis, which has been published in the journal, Nature Photonics.
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