Handy Science Answer BookTrellisys.net
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Why do golf balls have dimples? What makes people snore? How does a fax work? The answers to these and 1,250 other commonly asked, but hard to explain questions can be found in this volume. Revised and expanded, the second edition of this bestselling book tackles dozens of sci-tech subject areas, including the human body, space, the environment, weights and measures, chemistry and physics, and much more.