For the first time, researchers were able to transmit, or "tunnel," sound waves across extremely small distances between two crystals in a vacuum. When you purchase through links on our site, we may ...

In the ETH experiment, self-oscillations (blue-red) cause sound waves (green, orange, violet) to travel through the circulator only in one direction. Credit: Xin Zou Researchers at ETH Zurich have ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Because space is a vacuum nearly devoid of particles, sound can’t travel through its ...

A classic movie was once promoted with the punchline: 'In space, no one can hear you scream'. Physicists have now demonstrated, to the contrary, that in certain situations sound can be transmitted ...

Phononic circuits are emerging devices that can manipulate sound waves (i.e., phonons) in ways that resemble how electronic circuits control the flow of electrons. Instead of relying on wires, ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. At the start of my career, I used to do acoustic testing in an anechoic chamber where sound ...