The Babbage Difference Engine – Sci-Advent – Day 3

Babbage Difference Engine

 

In 1849, British inventor Charles Babbage completed designs for a difference engine, a very early mechanical computer. Due to cost and complexity the machine was never built in his lifetime and for 150 years nobody knew if the machine would have worked. In 2002, a Babbage Difference Engine based on the original plans was completed—and it actually works. The hand-cranked device has 8,000 parts, weighs 5 tons, and is 11 feet long. Two such machines now exist, one at the Science Museum in London and another at the Computer History Museum in Mountain View, California. To get a sense of the incredible intricacy of the Babbage Difference Engine, take a look at these interactive high resolution images of the Computer History Museum machine. The images, created by xRez Studio, are each composites of up to 1,350 individual photos. The studio also shot this short video of the machine in operation.

 

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