The Economist -
26 Nov 2015 00:10

"ALFRED, it's spinning." Roy Kerr, a New Zealand-born physicist in his late 20s,had, for half an hour, been chain-smoking his way through some fiendish mathematics. Alfred Schild, his boss at the newly built Centre for Relativity at the University of Texas, had sat and watched. Now, having broken the silence, Kerr put down his pencil. He had been searching for a new solution to Albert Einstein's equations of general relativity, and at last he could see in his numbers and symbols a precise descri...
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