Ever since D-Wave Systems unveiled what it called the world’s first quantum computer in 2007, the small Canadian company has attracted controversy.
Computers capable of exploiting quantum physics for computation on a large scale promise to solve in mere seconds problems that would take conventional machines millions of years. But whether D-Wave’s machine uses quantum tricks to process data more efficiently is still an open question. Nonetheless, the company has attracted significant investment funding, and it has struck deals to supply its hardware to companies including Google and Lockheed Martin for research (see “The CIA and Jeff Bezos Bet on Quantum Computing”).
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