What we don’t understand about the speed of light

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The laws of light speed still apply.

Last June, researchers from the Hong Kong University of Science and Technology published the results of an experiment that proved that light does not move faster than light—specifically, that single photons can’t move faster than the official speed of light under certain conditions.
Today, Skulls in the Stars—the nom de Internet of a UNC Charlotte physics professor—hasa really great blog post up about this paper. It’s very much worth a read. After all, this was basically a test to double check something we were already pretty sure was true. And what’s the benefit to proving something you already knew?

Continue reading… “What we don’t understand about the speed of light”

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