The Star Wars-inspired "sonic tractor beam" creates a force field that can lift, move or rotate beads.
And Punzmann and his team were able to do much more than make an object change course and travel backward. Scientists in
Team leader Tomas Cizmar, of the St. Andrews School of Medicine, said the new technology has great potential. Tractor beam
Previous ideas for a "tractor beam" have often focused on creating new gravitational fields to drag objects, heating air
A*STAR's experiment may be the first reported success of the Bessel beam in action. Although Wang and his team have only
NASA in the past has used spacecraft, such as the Stardust in 1999, to take samples from space. Curiosity, NASA's next Mars