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Ubi bene ibi patria
 
Hawkeye's-911T's Avatar
 
Join Date: Jan 2007
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More from the forefronts of scientific research

BBC News - Nasa examines 'tractor beams' for sample gathering

Nothing of great substance but an interesting concept all the same.
Cheers
JB

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Old 11-01-2011, 10:10 AM
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hmmm...not sure I understand how it would work. Photons have very little mass so how would they convey molecules back? i can see them bouncing off stuff and being absorbed and then taking the spectra info but to actually grab something and bring it back would require the photons to travel back. And if they did how would they carry much bigger molecules? Interesting.

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Old 11-01-2011, 10:17 AM
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