Discover the history behind the amazing machines that power our world, and the inventors that created them, in this mini children's encyclopedia to the story of inventions. Did you know that the machine that makes candy floss was invented by a dentist? Or that Thomas Edison tried using human hair as the filament for his light bulb? Whether it is the plough, the paper clip, or the PlayStation, this fact-packed inventions book profiles everything from simple everyday objects to cutting edge future technology, such as robots and AI. With amazing stats, cool pictures, and incredible facts, Pocket Eyewitness Inventions will introduce you to the the most exciting and revolutionary gadgets ever created.