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Wow, upsilandre made a computer in the PS3’s LittleBigPlanet beta. It’s a mechanical calculator that can do addition and subtraction: 610 magnetic switches, 500 wires, 430 pistons, 70 emitters… Here’s a video!

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.

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