Multiple universes? How can scientists come to believe in more than one universe? The idea sounds astounding. Our universe is immense by itself. How could there be more than one? What’s more, multiple universes can be generated by radically different mechanisms. But what’s a ‘universe’ anyway? The whole vast ensemble of universes is now called a ‘multiverse’.
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Alexander Vilenkin is a Ukranian Professor of Physics and Director of the Institute of Cosmology at Tufts University. As an undergraduate studying physics at the University of Kharkiv, Vilenkin turned down a job offer from the KGB, causing him being blacklisted from pursuing a graduate degree. In 1976, Vilenkin immigrated to the United States as a Jewish refugee, obtaining his Ph.D. at Buffalo.
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