not sure if anyone saw this paper in nature communications last month, but I found this paper to be fairly interesting. They use acoustic traps and tweezers to levitate and hold objects similar to how a tractor beam would work in some science fiction movies/shows.
http://www.nature.com/ncomms/2015/151027/ncomms9661/full/ncomms9661.htmlbringing together some fun science fiction with actual advancement in physics. I'm looking forward to seeing what applications and technologies arrive from their work.
This post was edited by armour on Nov 20 2015 08:35am