Before the iMac, there were mega machines
(NEWSER) - Convenience is a given when it comes to today's PCs, but the machine you're reading this on has come a long way. Major transformations date as far back as the early 19th century. Live Science gives the back-story on 10 revolutionary computers.
- The Difference Engine, 1822: Designed by Charles Babbage but not built until decades later, today's replicas show this math-table-generating machine to work flawlessly.
- ENIAC, 1946: This US Army computer weighed 30 tons, used 17,478 vacuum tubes, and consumed 150 kilowatts.
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