Laser + mirror + sound

I’m using this video as my channel trailer because It’s a good example of the the sort of videos I make! Thanks to Brian Mackenwells for showing me this (@mackenwells). A laser shining on a mirror driven by a speaker creates cool patterns. Here’s the code for making sounds in your browser with keyboard shortcuts: Here’s the Chladni Figures video: Follow me on twitter here: Buy nerdy maths things here: