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No. 100: Jul-Aug 1995

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Another Starchy Anomaly

Last issue it was uncooked spaghetti that insisted on breaking into three pieces instead of two. Now, we find that when a grain of cooked rice falls into a glass of fizzy lemonade, it first sinks to the bottom and, then, rises to the top. It sinks again, rises again, and so on. One of N. Hall's rice grains persisted in this yoyo motion for fully 10 minutes! Why?

(Hall, Nicholas; "Bouncing Rice," New Scientist, inside back cover, May 13, 1995.)

From Science Frontiers #100, JUL-AUG 1995. � 1995-2000 William R. Corliss