The glowing light bulb discovered by accident in 1675
by Ellsworth Toohey from Boing Boing on (#77674)
Long before Edison, a working light source turned up by accident. In 1675, the French astronomer Jean Picard noticed that the mercury in his barometer glowed as he carried it across a dark room. The faint light, later called "barometric light," drew the interest of some of the era's biggest scientific names before the trick faded into obscurity. - Read the rest
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