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Links for January, 22, 2018

Pruned: Crypto-water computers – wow, I would never have believed this….

Built in 1936, this machine was “the world’s first computer for solving [partial] differential equations,” which “for half a century has been the only means of calculations of a wide range of problems in mathematical physics.” Absolutely its most amazing aspect is that solving such complex equations meant playing around with a series of interconnected, water-filled glass tubes. You “calculated” with plumbing.

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