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Science Past from the issue of December 2, 1961
ELECTRONIC COIN TOSSING — An electronic method of tossing coins that determines “heads” or “tails” 200,000 times a second has been devised at the U.S. Navy Electronics Laboratory, San Diego, Calif. The new machine is not a gambling device but is being used to develop automatic signal detection methods for future Navy radar. It promises […]
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Caterpillars by Marilyn Singer
A colorful look at caterpillars — sometimes woolly, sometimes spotted, occasionally sporting fake faces — shows how they transform into delicate, winged insects. EarlyLight Books, 2011, 40 p., $14.95, ages 4–7
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