Word: overe
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Dates: during 1990-1999
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Slow in learning to talk as a child, expelled by one headmaster and proclaimed by another unlikely to amount to anything, Einstein has become the patron saint of distracted schoolkids. But even at age five, he later recalled, he was puzzling over a toy compass and the mysteries of nature...
It took three years for astronomers to test this theory by measuring how the sun shifted light coming from a star. The results were announced at a meeting of the Royal Society in London presided over by J.J. Thomson, who in 1897 had discovered the electron. After glancing up at...
Even now scientists marvel at the daring of general relativity ("I still can't see how he thought of it," said the late Richard Feynman, no slouch himself). But the great physicist was also engagingly simple, trading ties and socks for mothy sweaters and sweatshirts. He tossed off pithy aphorisms...
Among the consequences of this law is that if the nucleus of a uranium atom fissions (splits) into two nuclei with slightly less total mass, a tremendous amount of energy is released. In 1939, with World War II looming, a group of scientists who realized the implications of this persuaded...
Over the years, enthusiasm for string theory has waxed and waned. It enjoyed a brief vogue in the early 1970s, but then most physicists stopped working on it. Theorist John Schwarz of Caltech and his colleague Joel Scherk of the Ecole Normale Superieure, however, persevered, and in 1974 their patience...