An exhaust note helps give a cars its personality, and what that personality is has a lot to do to the type of engine it has. Toyota has released a helpful explainer on why that is. It starts with the ...

Tests of the percussion instrument’s acoustic radiation shows the mounting setup makes a big difference to the sound.

Anything that makes sound is simply vibrating to create those pressure waves. An optical microphone is basically a camera system designed to monitor and interpret vibrations on the surface of a sound ...