'Tractor beam' grabs beads with sound waves - BBC News - discu.eu

Reddit

Tractor Beam developed in Bristol, UK http://www.bbc.co.uk/news/science-environment-34647921 5 comments 28/10/2015 science

Linked pages

Phys. Rev. Lett. 112, 174302 (2014) - Acoustic Tractor Beam http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.174302 1 comment
Dr Who's sonic screwdriver 'invented' at Dundee University - BBC News http://www.bbc.co.uk/news/uk-scotland-17760077 0 comments

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