Word: ups
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Dates: during 1990-1999
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At age 15, Einstein staged his first great rebellion. Left behind in Munich when his family relocated to northern Italy after another of his father's business failures, he quit his prep school because of its militaristic bent, renounced his German citizenship and eventually entered the famed Zurich Polytechnic, Switzerland...
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...
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...
Einstein also continued his contributions to quantum physics by raising questions that are still playing a pivotal role in the modern development of the theory. Shortly after devising general relativity, he showed that photons have momentum, and he came up with a quantum theory of radiation explaining that all subatomic...
Einstein, meanwhile, had taken up with a divorced cousin, Elsa, who jovially cooked and cared for him during the emotionally draining months when he made the intellectual leaps that finally resulted in general relativity. Unlike Mileva, she gave him personal space, and not just for science. As he became more...