When Charles Babbage invented a massive calculating machine in 1849, he probably didn’t count on the 150 years it would take to actually get the thing built.    Babbage’s Difference Engine No. 2 was a precursor of modern computers, capable of performing complex mathematical calculations with 31 digits of precision, all using Victorian-era rods, gears, levers and linkages.

When Charles Babbage invented a massive calculating machine in 1849, he probably didn’t count on the 150 years it would take to actually get the thing built.

Babbage’s Difference Engine No. 2 was a precursor of modern computers, capable of performing complex mathematical calculations with 31 digits of precision, all using Victorian-era rods, gears, levers and linkages.

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