Why the Wheel Is Round: Muscles, Technology, and How We Make Things Move by Stev
49,14 €
"Vogel writes with his typical, easy-as-pi style that epitomizes his intense curiosity for all things round. Gear up to read topics revolving around tools, toys, machines, and even animals. To make muscle-powered rotary machinery -- querns, bow drills, whims, lathes, and horse ferries -- requires the invention of axels, cranks, and ropes.
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