Scientists Just Used a Tractor Beam to Levitate the Largest Object Yet

The world’s most powerful tractor beam just lifted a 2 centimeter ball, but could it make levitating humans a reality? One Shot Could Provide All the Vaccines You'll Ever Need - https://youtu.be/qQ1VKYX4Vl0 Thumbnail image courtesy of University of Bristol. Read More: The world's most powerful acoustic tractor beam could pave the way for levitating humans https://www.sciencedaily.com/releases/2018/01/180121221627.htm “Acoustic tractor beams use the power of sound to ho

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