MagLev in 3D: Moving Objects Without Touching Them Physicists have figured out how to move an object in three dimensions without the need for any physical contact, just by the clever use of magnets.

3D-printed plastic blocks can now be turned into acoustic holograms that generate 3D shapes made of sound, which could function like sonic "tractor beams," according to a new study.

Physics 3D rabbit 'hologram' created by levitating screen using sound waves Sound waves can be used to keep an object hovering in the air, and a new technique works even in crowded spaces By ...