Rube-y Goldberg Tuesday: Optics Version

(OK, it’s Thursday, but this was supposed to run on Tuesday but didn’t, owing to operator error)

A Clever Rube Goldberg Machine That Runs on Light

The amplified light fuels a number of different elements like a tub of water and a marble moving down a chute, but it all keeps coming back to optics.

(Nit: it’s not amplified, just focused at various points)