From New Mind.

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The ability to perform billions of mathematical calculations per second electronically, has become such a triviality that it often goes unrecognized and even ignored. However, long before the era of inexpensive yet powerful processors, the pursuit of even a tiny fraction of today’s, almost disposable computing power was seen as the solution to an immense spectrum of design challenges. This is the story of 5 cases of fully functional computing machines realized in very unconventional ways.

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