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12 SATURDAY - FEBRUARY 1972
ABRAHAM LINCOLN - BORN 1809 - GEORGIA DAY - 323 DAYS TO COME

Rcd. a call from Mr. Stong who does the "Amateur Scientist" column
in SCIENTIFIC AMERICAN. He and some of his colleagues
have developed a scientific oddity, which started with a rock that is spun in one
direction, rattles, and then spins in the other direction. They now can make it
out of plastic and call it RATTLE ROCK. Martin Gardner got them
in touch with Tom Atwater who is quite enthusiastic with it.
Tom sent