nk497 writes: "The National Museum of Computing in the UK has brought another historical computer back to life — this time, it's the 2.5 tonne Harwell Dekatron, AKA the WITCH. Built in 1951, the massive machine is the "oldest working digital computer". It's now been reassembled from parts held by a museum in Birmingham, and is fully functioning again — complete with blinking lights and brilliant whirring sounds. The reboot was attended by two of the three developers — both in their 90s — as well as by the volunteers who rebuilt it."
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