Scientists Levitated a Particle Smaller Than a Virus and Made It Fire Like a Laser In A Nutshell Researchers at the ...

A tiny, levitated bead is at the core of an unprecedentedly bright laser that shoots particles of sound instead of light. Just as a ray of light is made up of many particles called photons, sound ...

What if you could send sound directly to a single person in a crowded room, without anyone else hearing it? This isn’t a scene from a sci-fi movie, it’s the reality of a new concept called the “sound ...