The New York Times reports that scientists have been able to photograph a laser beam as it moves forward. This requires shutter speeds equivalent to one-trillionth of a second. The implications for data gathering and analysis are extraordinary.
http://www.nytimes.com/2011/12/13/science/speed-of-light-lingers-in-face-of-mit-media-lab-camera.html?_r=1&hpw
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