Loudspeakers work by converting electrical energy into kinetic energy. This vibrates the cone which creates the sound waves. Sound waves can reflect off surfaces. We hear reflected sound as an echo.

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

Researchers found a way to reinvent glass that is self-cleaning and doesn't need harsh chemicals to be water-resistant.

other noise types It might sound strange to think of noises as having ... and sleep — especially if you live with ADHD. Ocean waves, waterfalls, and thunder are just a few examples of soothing ...

sound waves hit the eardrums, vibrating and sending signals to the brain. But unlike the clarity the eyes offer, ears can struggle in noisy environments, where many different types of sounds may ...

Hearing begins when sound waves pass through the outer ear to the eardrum, which is the thin membrane between your outer and middle ear. When the sound waves reach the eardrum, the eardrum vibrates.

An ultrasound scan is a procedure that uses high frequency sound waves to create a picture of a part of the inside of your body. The ultrasound scanner has a probe that gives off sound waves. The ...