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The Power of Optics: A Rube Goldberg Machine Powered by Light and Magnifying Glasses

A fun little Rube Goldberg set-up that primarily uses light and magnifying glasses to set off a number of the chain reactions, by melting ice, popping balloons and so on. An advertisement for Japanese high-speed optical internet service au Hikari, it’s beautifully done.

(via Colossal)