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Super-camera shows how light moves

2 August 2013 Last updated at 00:09 BST

Scientists in the US have built a camera that can show light moving by taking pictures with an exposure time one billion times shorter than a normal camera.

The device, built at the Massachusetts Institute of Technology, can take an image every two picoseconds.

Alok Jha went to MIT to meet the head of the team behind the camera, Professor Ramesh Raskar.

See more on this and other developments in technology on Dara O'Briain's Science Club on BBC Two.

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