'Tractor beam' grabs beads with sound Post a Comment Engineers in Bristol develop a system that holds and moves small objects without touching them, using "holograms" built from sound waves. Baca JugaBacklash against 'frightening' tests on whalesPoorer nations 'more focused on sustainability'Why it's the end of the road for petrol stations Read More Share : You may like these posts :VIDEO: Review 2015: The year in scienceTwitter measures 'have tackled trolls'Science: Best long reads of 2015 (part two)Science: Best long reads of 2015 (part one) Post a Comment for "'Tractor beam' grabs beads with sound"
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