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Babbage's difference engine No. 2

I am briefly breaking my vowed silence to share something too cool not to tell you about.

Someone actually built a Babbage difference engine---and it works! (For those who don't know, that's one of the first computers designed by the mathematician Charles Babbage in the mid 19th century. A working prototype was never completed in his lifetime.)

This video tells you all about it---it's full of delicious geekness. Enjoy!


Thank you Dave Kellett for the link.

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