This Rube Goldberg Machine Runs On Light

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Mirrors, lenses and reflective surfaces are combined to arresting effect in this commercial for au Hikari, a Japanese high-speed optical ISP. The machine's optics work as one to reflect, focus, and diverge a single beam of light through a series of tasks, causing it to singe, melt and illuminate as it goes.

This commercial, which is titled "The Power of Optics," is ostensibly about light, but the sound work is also pretty great, and adds considerably to the viewing experience. Listen to this one with the volume on – or, better yet, with headphones. The aural experience is immensely satisfying, and really brings everything home. See also the making-of video:

Via The Kid Should See This