Scientists found a way to stop light and sound waves from scattering chaotically inside ...

When light or sound bounces around inside an oddly shaped room, its reflections can quickly become difficult to predict. But ...

The system uses an electron spin associated with an atomic impurity in diamond as a stationary quantum memory. Vibrational ...

In the new device, an array of 256 speakers, each about 1 centimeter wide, faces another, identical speaker array across a distance of 23 centimeters. The speakers emit sound waves at frequencies too ...

When an ambulance passes by, the pitch of the siren changes. When you hold a seashell to your ear, you hear a 'whooshing' ...

The wonder of the sound of wavesThe sound of waves is one of the sounds in the natural world that provides comfort to many people. The murmuring of waves, repeated in a constant rhythm, has properties ...

At the start of my career, I used to do acoustic testing in an anechoic chamber where sound is not reflected as it gets absorbed. But the quietness of these chambers always got me thinking of how ...

Sound waves traveling thousands of kilometers through the ocean may help scientists monitor climate change. As greenhouse gas emissions warm the planet, the ocean is absorbing vast amounts of that ...