The Digi-Comp I was a $5 plastic computer powered by rubber bands
by Mark Frauenfelder from Boing Boing on (#77R8K)
The Digi-Comp I was a plastic and rubber band toy that sold for $5 in 1963. According to Chris Staecker, a Fairfield University math professor who posted a video about its operation, "This was the first digital computer."
It didn't use electricity; instead, it required the user to push and pull a "clock" lever. - Read the rest
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