https://twetch.app/t/938c0766238fc2cb4fcc11df766a6a992726ee…

Twetch · September 6, 2019

https://twetch.app/t/938c0766238fc2cb4fcc11df766a6a992726ee7c1455539eb1361490f785be4d
Visible light is an electromagnetic wave, consisting of oscillating electric and magnetic fields traveling through space.