Quantum computers won’t replace today’s traditional computers, but they will become mainstream within five years, a top executive in charge of emerging technologies at International Business Machines Corp. predicted.Wednesday, Arvind Krishna, senior vice president of cloud and cognitive software, predicted that with quantum computing, batteries could last “a thousand times longer” and airplanes could become lighter.
“All of these use cases, I think, will get solved in a few years,” Mr. Krishna said. “Pharmaceuticals and drug discovery is a much harder problem.”
Someone also once said the whole world would only need 5 or 6 computers and that was when computers had less power than a digital watch.
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