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.
Several vehicles were mysteriously forced up in to the air as they approached a busy road junction.
A team of researchers has invented a device that can levitate objects in the air using sound waves.
Nicolas Luisetti and John Paul Olhaberry stunned onlookers by appearing to levitate in the air for over 3 hours.