How sound and light act alike—and not—at the smallest scale

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in ...
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Sound Waves & Acoustics: Echo Chamber Experiments in Slow Motion

The film explores the nature of sound waves, demonstrating how sound travels as a wave through air, which acts as a medium. It illustrates sound generation using a loudspeaker, examines oscillation, ...
BGR

Crazy New Device Plays Directional Sound Waves That Only The Target Can Hear

Scientists at ETH Zurich and the Swiss Federal Institute of Technology Lausanne have developed a device that directs sound waves in one direction without wasting energy. This breakthrough sound wave ...
Popular Science

Sound waves power ping-pong ball through aquatic obstacle course

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Engineers at Switzerland’s École Polytechnique Fédérale de ...
Ars Technica

How to make a sound wave spin? Hit it with a pipe

It’s a question I’m sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look ...
EurekAlert!

Sound waves tapped to unleash hidden power of 2D materials for revolutionary electronics & brain chips

Scientists have harnessed sound waves to break a fundamental barrier in next-gen electronics. By using surface acoustic waves instead of traditional electricity to control 2D materials, they can now ...