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This revised edition of David Macaulay's classic The Way Things Work takes you into the inner workings of hundreds of machines and explains the science behind their technologies. From the simple lever to the modern microprocessor, this bestseller has been completely updated with the latest technologies and explains every machine you've ever wanted to understand, and some you've probably never thought about. From clocks and watches, to jet engines and the internet, David Macaulay's beautiful illustrations represent the inner workings of each machine. With David Macaulay's inspired illustrations and humorous approach, The Way Things Work makes even the most complex technology fun, fascinating and accessible for children of all ages.