WEDNESDAY. A BARBECUE LIGHTER
AND AN ULTRASOUND ARE TWO VERY
DIFFERENT THINGS WITH AN
UNLIKELY SIMILARITY.... AND IT
HAS ALL TO DO WITH A CERTAIN
KIND OF ELECTRICITY. U OF I
PHYSICS PROFESSOR PAUL KWIAT
SHARES MORE.
THE WORD PIEZOELECTRICITY
MEANS ELECTRICITY RESULTING
FROM PRESSURE AND LATENT HEAT.
IT IS DERIVED FROM THE GREEK
WORD ; PIEZEIN, WHICH
MEANS TO SQUEEZE OR PRESS, AND
,
EKTRON, WHICH MEANS
AMBER, AN ANCIENT SOURCE OF
ELECTRIC CHARGE. FRENCH
PHYSICISTS JACQUES AND PIERRE
CURIE DISCOVERED
PIEZOELECTRICITY IN 1880.
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