Scientists have created a new kind of time crystal using sound waves to levitate tiny beads in mid-air. These particles ...

Physicists at New York University have built a time crystal powered entirely by sound waves, and lab tests suggest the ...

That now classic tagline (from Alien, one of the greatest science-fiction horror movies ever made) hinges on a big assumption that most of us broadly make: space is empty. And it is—mostly. But there ...

A team of scientists has succeeded in cooling traveling sound waves in wave-guides considerably further than has previously been possible using laser light. This achievement represents a significant ...