Scientists prove nothing can travel faster than the speed of light
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| No heading Back To The Future: Scientists have proved that a single photon obeys Einstein’s theory that nothing can travel faster than the speed of light and that time travel is therefore impossible |
For those that while away their days dreaming about travelling into the distant past or future, it is disappointing news.
But scientists claim to have proved that a single photon obeys Einstein’s theory that nothing can travel faster than the speed of light – meaning time travel is impossible.
Their findings close a decade-long debate about the speed of a single photon, the fundamental unit of light.
Lead researcher Professor Shengwang Du, from the Hong Kong University of Science and Technology (HKUST), said: ‘The results add to our understanding of how a single photon moves. They also confirm the upper bound on how fast…
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