Computers have come a long way since the early days, when two of the machines could take over a four-story building and weigh up to 250 tons. As early as the 1930s, inventors, engineers and physicists were figuring out ways to use machines to perform complex calculations and processes, employing pioneering methods to achieve their goals. Although some of those techniques and devices are now blissfully obsolete, many early innovators hit upon technologies that are still in use today. These 10 colossal old computers are a testament to the alluring potential of computing and the ingenuity of early computer scientists – as well as a visual demonstration of just how far we’ve come.
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