Word: seemed
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Dates: during 1990-1999
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...earth were flat, one could equally well say that the apple fell on Newton's head because of gravity or that Newton's head hit the apple because he and the surface of the earth were accelerating upward. This equivalence between acceleration and gravity didn't seem to work for a round earth, however; people on the other side of the world would have to be accelerating in the opposite direction but staying at a constant distance from...
...colleagues was simply wasting his time, relying on a conceptual approach that was precisely backward. In contrast to just about all other physicists, Einstein was convinced that in the conflict between quantum mechanics and general relativity, it was the former that constituted the crux of the problem. "I must seem like an ostrich who forever buries its head in the relativistic sand in order not to face the evil quanta," Einstein reflected...
Einstein could never accept that the universe was at its heart a cosmic crapshoot, so that today his papers on unified field theory seem hopelessly archaic. But the puzzle they tried to solve is utterly fundamental. In simply recognizing the problem, Einstein was so daringly far-sighted that only now has the rest of physics begun to catch up. A new generation of physicists has at last taken on the challenge of creating a complete theory--one capable of explaining, in Einstein's words, "every element of the physical reality." And judging from the progress they have made, the next...
Both Saddam Hussein and Hafez Assad have at times invoked Saladin against Israel, the new "crusader." However, they seem unlikely to attain either the military triumph that safeguarded one world or the nobility that endeared him to another...
...Newton's third law of motion? Einstein's image of Newton as a child occurred, oddly enough, to Newton himself. Maybe that's where Einstein got it. Just before he died, Newton remarked, "I do not know what I may appear to the world; but to myself, I seem to have been only like a boy, playing on the seashore, and diverting myself in now and then finding a smoother pebble or prettier shell than ordinary, while the great ocean of truth lay all undiscovered before...