In this commercial for au Hikari, one of Japan’s high-speed optical internet service providers, a Rube Goldberg machine is “powered” by a single beam of light that travels via mirrors, magnifying glasses, and reflective surfaces to burn through strings, melt ice, pop balloons, and brighten each smoky twist of physics along the way.

Here’s the behind the scenes vid:

In the archives: more Rube Goldberg machines, and our favorite Japanese commercial plays Bach on a giant forest xylophone.

via The Awesomer.