articlebd0be728-3586-4891-82ea-6e018556b637fncfnc/sciencefox-news/science/natural-science/physicsLiveScienceStephanie Pappas Live Science ContributorTechnology
Tractor beam levitates large orbs with sound
A styrofoam particle, 0.6 inches (1.6 cm) in size, levitates in the center of an…