Cats' Paws and Catapults: Mechanical Worlds of Nature and People

Cats' Paws and Catapults: Mechanical Worlds of Nature and People
Author :
Publisher : W. W. Norton & Company
Total Pages : 388
Release :
ISBN-13 : 9780393352955
ISBN-10 : 0393352951
Rating : 4/5 (51 Downloads)

Book Synopsis Cats' Paws and Catapults: Mechanical Worlds of Nature and People by : Steven Vogel

Download or read book Cats' Paws and Catapults: Mechanical Worlds of Nature and People written by Steven Vogel and published by W. W. Norton & Company. This book was released on 2000-01-17 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Full of ideas and well-explained principles that will bring new understanding of everyday things to both scientists and non-scientists alike."—R. McNeill Alexander, Nature Nature and humans build their devices with the same earthly materials and use them in the same air and water, pulled by the same gravity. Why, then, do their designs diverge so sharply? Humans, for instance, love right angles, while nature's angles are rarely right and usually rounded. Our technology goes around on wheels—and on rotating pulleys, gears, shafts, and cams—yet in nature only the tiny propellers of bacteria spin as true wheels. Our hinges turn because hard parts slide around each other, whereas nature's hinges (a rabbit's ear, for example) more often swing by bending flexible materials. In this marvelously surprising, witty book, Steven Vogel compares these two mechanical worlds, introduces the reader to his field of biomechanics, and explains how the nexus of physical law, size, and convenience of construction determine the designs of both people and nature. "This elegant comparison of human and biological technology will forever change the way you look at each."—Michael LaBarbera, American Scientist


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