Robert L. Wolke is a professor emeritus of chemistry at the University of Pittsburgh and an award-winning food columnist for the Washington Post. He is the author of Chemistry Explained and coauthor of What Einstein Kept Under His Hat.
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What makes ice cubes cloudy? How do shark attacks make airplanes safer? Can a person traveling in a car at the speed of sound still hear the radio? Moreover, would they want to. . . ?Do you often find yourself pondering life's little conundrums? Have you ... SEE MORE