Word: mostly
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Dates: during 1990-1999
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His crowning glory, perhaps the most beautiful theory in all of science, was the general theory of relativity, published in 1916. Like the special theory, it was based on a thought experiment: imagine being in an enclosed lab accelerating through space. The effects you'd feel would be no different...
In response to Germany's growing anti-Semitism, he became a passionate Zionist, yet he also expressed concern about the rights of Arabs in any Jewish state. Forced to quit Germany when the Nazis came to power, Einstein accepted an appointment at the new Institute for Advanced Study in Princeton...
The most careful and accurate of these experiments was carried out by Albert Michelson and Edward Morley at the Case Institute in Cleveland, Ohio, in 1887. They compared the speed of light in two beams at right angles to each other. As the earth rotates on its axis and orbits...
Einstein's general theory of relativity transformed space and time from a passive background in which events take place to active participants in the dynamics of the cosmos. This led to a great problem that is still at the forefront of physics at the end of the 20th century. The...
Einstein was horrified by this random, unpredictable element in the basic laws and never fully accepted quantum mechanics. His feelings were expressed in his famous God-does-not-play-dice dictum. Most other scientists, however, accepted the validity of the new quantum laws because they showed excellent agreement with observations...