If you buy through a BGR link, we may earn an affiliate commission, helping support our expert product labs. We’ve already seen sound waves do some pretty amazing things. For example, they can ...

Sound waves make the ear drum vibrate. Hammer, Anvil, Stirrup Three small bones which pass on vibrations from the eardrum to the cochlea. The eardrum is attached to the hammer which is attached to ...

Diffraction of a low frequency sound wave around a barrier. Note that the barrier does not create a sound shadow in the area of the lower right-hand corner. Barriers not built for acoustical purposes ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.

This removes the carrier wave from the signal. What remains is the audio signal. Speaker The audio signal causes the radio speaker's diaphragm to vibrate, which creates sound waves. A sound wave ...