Not long ago I was part of a discussion about using mechanical things to demonstrate computing concepts (such as building a learning Tic-Tac-Toe game out of matchboxes). This got my head spinning on different ways to use mechanical devices to compute things, whether or not such computation is useful. I figured I had enough Legos lying around the house to make something interesting.
I started by thinking of some of the more famous early computers, such as Pascal’s calculator and Babbage’s difference engine.
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