Word: developmental
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Dates: during 1990-1999
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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...
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...
He was no ordinary leader. There are those who believe he was divinely inspired, and it is difficult not to believe with them. He dared to exhort nonviolence in a time when the violence of Hiroshima and Nagasaki had exploded on us; he exhorted morality when science, technology and the...
A great measure of world poverty today and African poverty in particular is due to the continuing dependence on foreign markets for manufactured goods, which undermines domestic production and dams up domestic skills, apart from piling up unmanageable foreign debts. Gandhi's insistence on self-sufficiency is a basic economic...
Little is known of the life and development of Giotto di Bondone, born around 1267 to peasants in the bucolic valleys outside Florence. Legend says the country boy tending his flocks was discovered by the painter Cimabue, who saw him draw a fine sheep upon a rock. A more likely...