Sound waves travel through particles ... What is an insulator? · How does sound travel? · How can we stop or reduce the volume of sound traveling? After watching this short film, you could ...

These waves travel through the air like normal sound waves but are ... It can transport sound through space silently – ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction ... "backwards" through the first waveguide, but can do so through the third waveguide.

Sound waves can reflect off surfaces ... it needs a medium to travel through. Sound does not travel through space because space is a vacuum. If you shouted in space nobody would hear you.

Jiaxin Zhong does not work for ... we designed ultrasonic beams that can bend on their own. Normally, sound waves travel in straight lines unless something blocks or reflects them.

Directing sound to a specific location is difficult because of how sound waves behave. As vibrations move through the air, ...