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Simon Willison’s Weblog

Binary marble adding machine. Watch the video.

Posted 29th June 2007 at 12:44 am

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2 comments

  1. That's ace, but really pointless. Whatever happened to the good old abacus, eh?

    Matt Cox - 29th June 2007 09:07 - #

  2. Whoa, solid.

    Carlo Zottmann - 29th June 2007 09:45 - #

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