What Einstein Told His BarberBy: Robert Wolke 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 ever wondered why the ocean is blue? Or why birds don't get electrocuted when perching on high voltage power lines? Robert L. Wolke, professor emeritus of chemistry at the University of