The blushing Englishman who stole nuclear secrets from the US
11 October 2017
William Penney planned the Nagasaki bomb as part of the Manhattan Project, and kept the UK in the nuclear race. But was he a master of bluffing or a master spy?
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Premium
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Some say humanity's ever-rising environmental impact is about to go into reverse. Fact or just fantasy, asks Fred Pearce
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