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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.



  1. Jack says:

    Wow… the beta is too much fun! I’ll have to check this out soon. I can’t wait for the full version ;).

  2. Ryan Rife says:

    …call me when it can emulated x86, then I’ll be impressed.

  3. Sound says:

    That is insane! I’m curious how much time it took him and also if he used a blueprint from existing mechanical calculators

  4. johnsteve says:

    I saw this video its very superb.I like that red baby.I am very much of enjoying to see this video.