Scientists have created a device that can levitate small objects even when something else is in the way.
An acoustic tractor beam could make it possible to levitate large objects within the not-too-distant future.
A team of researchers has invented a device that can levitate objects in the air using sound waves.
The remarkable new technology is capable of pushing or pulling solid objects using nothing but lasers.
Scientists have developed a working Star Trek style tractor bream on a microscopic scale.
Like something out of Star Trek scientists have succeeded in developing a functional tractor beam using lasers.
A new tractor beam technology based on laser thruster engines could be used to clear space debris from orbit.