He Holds A Plank Under A Row Of Pendulum Balls. When He Releases It, I Was Mesmerized…

The world is a beautiful place, and we don’t often take as much time as we should to appreciate the simple things. Take this demonstration of pendulum waves, for instance: you wouldn’t expect it, but it’s actually totally mesmerizing.

(Source)

If you know someone who might like this, please click “Share!”