Word: head
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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...
...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...
Even through the grainy newsreels, we can see what the people at the time saw: the radiant smile, the eyes flashing with good humor, the cigarette holder held at a jaunty angle, the good-natured toss of the head, the buoyant optimism, the serene confidence with which he met economic catastrophe and international crisis...
...Scion of a wealthy family, as Prime Minister here she became the first woman to head an Islamic state...
Gandhi arrived in South Africa in 1893 at the age of 23. Within a week he collided head on with racism. His immediate response was to flee the country that so degraded people of color, but then his inner resilience overpowered him with a sense of mission, and he stayed to redeem the dignity of the racially exploited, to pave the way for the liberation of the colonized the world over and to develop a blueprint for a new social order...