By combining ultrasound with a concept called nonlinear acoustics, you can create sound that stays silent until it reaches a ...

It can transport sound through space silently – becoming audible only when desired. How did we do this? Normally, sound waves ...

A team of researchers have developed "audible enclave" technology that creates pockets of sound that can be heard at a ...

"This image makes the invisible visible — the first American made civil supersonic jet breaking the sound barrier." ...

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

The “Helmholtz resonator” concept explains the frequencies of sound produced by clapping the hands together in different configurations.

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...