A Real Tractor Beam

Cool Worlds · Oct 17, 2026 · 7m

NYU Professor of Physics, David Grier, dropped in to tell us about his team's amazing work building the world's first real life tractor beam. Just like Star Trek, he explains how their light beam pulls things toward it, how it works and how it could soon be used by NASA.::More about this Video::► Prof David Grier's homepage: http://physics.nyu.edu/grierlab/► "Building Star Trek", Smithsonian Channel: http://www.smithsonianchannel.com/shows/building-star-trek/0/3436402► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk::Playlists For Channel::Latest Cool Worlds Videos ►…