The Digi Comp II is a replica of a binary mechanical computer that can perform basic mathematical functions. As shown by Windell Oskay of Evil Mad Scientist Laboratories at Maker Faire Bay Area 2011, it uses billiard balls as its counters and performs calculations in real time as the balls make their transit down a ramp with specially places guides and levers.

Watch more videos from Maker Faire Bay Area, NYC and Detroit.

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becky stern headshot EMSL's Digi Comp II (video)

Becky Stern

Becky Stern is director of wearable electronics at Adafruit Industries. Her personal site: sternlab.org


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