How a quartz watch works – its heart beats 32,768 times a second

Get 75% off NordVPN with this link: https://nordvpn.com/steve and use the promo code steve to get the first 30 days free.

Quartz watches have a tiny crystal tuning fork inside that vibrates at 2^15 Hz and there’s a really clever reason for that. This video also talks a bit about how mechanical watches work.

CORRECTION: Ok, so I actually hung 16 flip flops! So you do need 15. I’m an idiot.

The atomic clock video is here: https://youtu.be/l8CI3bs9rvY

The piezoelectricity video is here: https://youtu.be/wcJXA8IqYl8

You can buy my books here:

https://stevemould.com/books

Patreon: https://www.patreon.com/stevemould
Twitter: http://twitter.com/moulds
Instagram: https://www.instagram.com/stevemouldscience/
Facebook: https://www.facebook.com/stevemouldscience/
Buy nerdy maths things: http://mathsgear.co.uk