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Inventions Explained: A Beginner's Guide to Technological Breakthroughs (The "Your World Explained" Series)
Inventions Explained A Beginner's Guide to Technological Breakthroughs - The "Your World Explained" Series Author:Richard Platt With an in-depth look at the earliest of tools, and advancing through time and technology to highlight systems of measuring, transportation, energy, medicine, machinery, computing, and more, Inventions Explained presents the ever-changing track of technological innovations as you've never seen them before.