Word: haves
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Dates: during 1990-1999
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In fact, Greene believes a young Einstein, starting his professional career now rather than at the turn of the past century, would have overcome his deep distrust of quantum mechanics and enthusiastically embraced branes and sparticles and superstrings. And given his almost superhuman ability to transcend conventional thinking and visualize...
Already, in fact, theoretical physicists have succeeded in constructing a framework that offers the best hope yet of integrating gravity with nature's other fundamental forces. This framework is popularly known as string theory because it postulates that the smallest, indivisible components of the universe are not point-like particles...
But that, in fact, has turned out to be the case. In 1995, Witten, perhaps the most brilliant theorist working in physics today, declared that all five supersymmetric string theories represented different approximations of a deeper, underlying theory. He called it M theory. The insight electrified his colleagues and inspired...
Which shapes represent the fundamental structures in our universe? On this point, string theorists are currently clueless. For the world conjured into existence by M theory is so exotic that scientists are being forced to work not just at the frontier of physics but at the frontier of mathematics as...
What would Einstein have made of such wild imaginings? Columbia's Greene, for one, thinks he would have loved them. After all, Greene notes in his recently published book, The Elegant Universe, Einstein played around with the idea of extra dimensions as a strategy for producing a unified field theory...