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Scientists Slow Speed of Light

Two hundred 99 million, 792 thousand, 458 (299,792,458) meters per second is how fast light travels. Usually. A team of physicists at the University of Glasgow has managed to apply the brakes to a photon - a particle of light - by sending it through a special mask that changed its shape. While light naturally slows down as it passes through a material like glass or water, it accelerates back to the speed of light as soon as it returns to the free space of a vacuum. However, the...

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