New research brings claims of quantum computer maker into doubt

June 19, 2014 7:28 PM

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Lockheed Martin bought the first one in 2011. Two years later, Google, NASA and the nonprofit Universities Space Research Association followed, pitching in together to launch a lab with their new $10 million-plus toy.

The machines from D-Wave Systems, the world’s only commercial quantum computer company, are clearly a hot-ticket item. But some of the company’s bold claims that the computer is thousands of times faster than a conventional PC have ruffled the feathers of academic quantum computing experts, who have...

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