Sonic Magic: The Wonder and Science of Sound CBC Nature of Things documentary 44m 20s

Sound surrounds us. Whether it's sound we choose to hear, like the music we play in our headphones, or sound we'd rather do without, like the noise of the city, we live in a sonic world that we seldom think twice about.

But sound can cure the sick and make the blind see. It can even change the taste of food.

Sound is affecting us, and the world we inhabit, in many fascinating and surprising ways. Sonic Magic: The Wonder and Science of Sound reveals the historic power, promise, and potential of sound - and a strange phenomenon called cymatics that has created a new scientific mystery.

https://www.cbc.ca/natureofthings/episodes/sonic-magic-the-wonder-and-science-of-sound