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Real-Life ‘Tractor Beam’ Can Levitate Objects Using Sound Waves

posted Jul 31, 2017, 8:10 AM by Rohit Bhaskar

This post by livescience is really cool!! it might take a bit of time to completely understand whats going on…… or maybe a lot of time (all depends on whether or not u like engineering ;p).
But check it out anyways.!!

visit the site HERE