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According to scientific history, or perhaps legend, Archimedes had his Eureka moment when settling into his bathtub and seeing the water rise around him.  He came up with his idea that a body’s mass displaced an equal amount of water, something that’s proved to be useful to know. Zachary Favors, a graduate student at the University of California at Riverside, had a similar moment of discovery when leaving the water after surfing near the beaches of San Clemente.  According to the UCR press release, “he picked up some sand, took a close look at it and saw it was made up primarily of quartz, or silicon dioxide.”  This led him to research locations in the United States where sand with …