The fantasies of Star Trek may not be that far in the future. Israelis have already invented the Universal Translator and remote medical diagnostics. Now Mordechai Segev, from Israel’s Technion proposes negative radiation pressure to create a tractor beam and move small objects.
http://www.wired.com/wiredscience/2012/06/light-tractor-beams/
http://www.youtube.com/watch?feature=player_embedded&v=HO1n9XT5Las