Why is Glass Transparent?

MIT builds camera that can capture at the speed of light (video)

A team from the MIT media lab has created a camera with a "shutter speed" of one trillion

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exposures per second -- enabling it to record light itself traveling from one point to another. Using a heavily modified Streak Tube (which is normally used to intensify photons into electron streams), the team could snap a single image of a laser as it passed through a soda bottle.
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