AKA Science: Music | movie | 1999 | Official Trailer - video Dailymotion

How vibrations in the air allow us to hear sound. | dG1fbjJhOWJnNkR5VEE

Transcript

00:00Check this, when you put your hand in front of a speaker, you can feel the air vibrating.

00:21That's because sounds of pressure changes, which cause tiny movements in the air, called

00:27waves.

00:28Watch the right, the first bit of air squashes the next bit, and the next bit, bing bang

00:32bong.

00:33Now here's where it gets really interesting, out of that and into this, once the waves

00:38reach your ears, the air moves your eardrum, which sends a signal along the nerve, and

00:43the music connects with your brain, and soul.

00:49This causes a mad reaction, which makes the body groove.