Acoustic tractor beams use the power of sound to hold particles in mid-air, and unlike
After demonstrating the first acoustically driven tractor beam platform, researchers develop a simpler, cheaper version
Up to now, if scientists wanted to study blood cells, algae, or bacteria under the
The world’s first sonic tractor beams that can lift and move objects using soundwaves have
Laser physicists have built a tractor beam that can repel and attract objects, using a
Physicists at The Australian National University have created a tractor beam on water, providing a
Whenever a star ship was in distress, the Star Trek Enterprise could activate its tractor