A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...

Attenuation from a point source (left) where the intensity decreases according to the square of the distance from the ... barrier's performance can be severely reduced by temperature and wind ...

“Metasurfaces are engineered materials that manipulate wave behaviour in ways that natural materials cannot,” said Zhong. “In ...

Listeners were carefully instructed to judge the loudness of the virtual sound sources—as opposed to responding to the proximal sound intensity ... Texas) PV-Wave software running on a Pentium ...

Sound is a vibration that travels through air as a wave. These waves are created when ... ultrasound to audible sound requires high-intensity fields that can be energy intensive to generate.

A group of international researchers have developed a way to use sound to generate different types of wave patterns on the ...

For the first time, MIT scientists have successfully imaged how heat actually travels in a wave, known as a “second sound,” through this exotic fluid. Understanding this dynamic could help ...

Sound is a vibration that travels through air as a wave. These waves are created when an object moves back and forth ... And power efficiency is another issue – converting ultrasound to audible sound ...

Sound is composed of particles moving in a continuous wave. Daniel A. Russell, CC BY-NC-ND Controlling where sound goes is ... And power efficiency is another issue—converting ultrasound to audible ...