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Monday, March 16, 2015

Another Confirmation of Einstein's Theories

A high precision, experimental confirmation that photons of varying frequencies/energies has been made from an analysis of radiation from a gamma ray burst. Check out an article here. Photons of a range of energies, that traveled billions of years to the earth, arrived within a tiny fraction of a second of each other. This is as Einstein predicted almost exactly 100 years ago, when his theory of general relativity was published in 1915. This measurement also restricts the notion of 'quantum foam" that is predicted from a variety of theories attempting to unify relativity with quantum mechanics. If quantum foam (basically think of space as being quantized, and not continuous) exists, then photons with different energies should be affected by different amounts, and the photons should not have arrived all together. This is published in Nature Physics.

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