Light and magnifying glasses: That's all it takes to drive the process of this whole machine.
In its video the "Power of Optics," the Japanese Internet provider Au Hikari, which uses fiber optic cables, shows off just what a little light — and the heat generated by it — can do by devising a complicated Rube Goldberg machine.
Watch the footage that shows the chain reactions:
This video shows the behind-the-scenes set up of the light-powered machine:
The original video was posted on YouTube in July, but more recently started making its rounds on the Internet.