here's a bad video copy of the first one mad at science museum of london. That one even prints out the answer on paper. Pretty beautiful piece of machinery.
http://www.youtube.com/watch?v=B8tmfcOg8l8
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here's a bad video copy of the first one mad at science museum of london. That one even prints out the answer on paper. Pretty beautiful piece of machinery.
http://www.youtube.com/watch?v=B8tmfcOg8l8