Reversible Tractor Beam can Repel and Attract Objects

11-12-2014 • arclein

Dr Vladlen Shvedov (left) and Dr Cyril Hnatovsky (right) with a magnified projection of the 'hollow' laser beam (Photo: Stuart Hay, ANU) We're still a far cry from Star Trek's ship-towing and repelling technology, but laser physicists at the Aus