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Author Topic: Tractor beams  (Read 1452 times)

Bubbles

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Tractor beams
« on: October 28, 2015, 07:44:08 AM »
Quote

'Tractor beam' grabs beads with sound waves
http://www.bbc.co.uk/news/science-environment-34647921



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Life gets more sci fy every day!  :)
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