Charles Babbage's Difference Engine
The Difference Engine was an accurate mechanical calculator designed by Charles Babbage in the 1840s, but was never built in its inventor's lifetime. Here, its modern builder explains how it works.
TEDxImperialCollege - John Graham-Cumming - The Greatest Machine That Ne...
Video Description: "The computer was invented in the 30s: not the 1930s, but the 1830s. British mathematician Charles Babbage designed and prototyped a fully functional mechanical computer he called the Analytical Engine, but it was never completed. Now a team in Britain plans to build the machine for display at London's Science Museum before the 2030s come around."
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