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Post Info TOPIC: Tractor beams


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Tractor beams
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Nasa examines 'tractor beams' for sample gathering

US space agency Nasa has funded a study of "tractor beams" to gather samples for analysis in future missions.
The $100,000 (£63,000) award will be used to examine three laser-based approaches to do what has until now been the stuff of science fiction.

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