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Physicists at the Kyoto Institute of Technology altered a special material called a photonic crystal to change the way light moves, creating pseudogravity, an effect similar to a tiny black hole. The experiment was inspired by Einstein’s theory of relativity and showcased light similar to how it would be if it were passing through a gravitational field. According to Science Alert, this experiment has far-reaching implications for the control and manipulation of light in optics and communications technology.
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