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Space-based lasers: the final frontier?

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Uploaded on Apr 30, 2010

The laser at 50: what can you do with a laser in space that you can't do on the ground? Narasimha Prasad, aerospace technologist at NASA Langley Research Center, US, explains how lasers can be used for planetary studies and deep-space communication to help us better understand our place in the Solar System.

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