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The brains behind Britain’s quantum leap
Sir Peter Knight is leading the race to develop computers so powerful that they could change the course of history
8 March 2021 • 6:00am
“Moore’s Law,” says Sir Peter Knight, referring to the exponential growth in computing power that has defined our age, “is coming to an end.” He should know. As one of the country’s most lauded physicists, he understands at a molecular level the limitations silicon chips are bumping up against now that they can each house a staggering 1.2 trillion transistors. “The process simply can’t be made much smaller.”
Fortunately, he says, a relay is waiting to pick up the baton and supercharge computing even as silicon stalls – a technology so powerful that its advocates say it could solve currently impossible problems, riding to man’s rescue on climate change and unlocking the unlimited energy of nuclear fusion.