A Camera That Captures the Speed of Light

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Scientists at M.I.T's Media lab have created a camera that can capture the speed of light, taking a photo in less than two-trillionths of a second. Using multiple cameras, sensors, a pulse light source and mirrors, the researchers create slow motion movies of light moving through objects and liquids. They call the technique femto-photography. "We have built a virtual slow motion camera where we can see photons, or light particles through space," said Associate Professor Ramesh Raskar in an video interview. "Photons travel about a million times photons travel a million times faster than bullets. So our camera can see photons, or bullets of light traveling through space."

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