D-Wave says its quantum computers can solve otherwise impossible tasks

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Quantum computing firm D-Wave says its machines are the first to achieve 'computational supremacy' by solving a practically useful problem that would otherwise take millions of years on an ordinary supercomputer

Quantum computers can now solve problems with real-world applications faster than any ordinary computer, suggesting they could be commercially viable, say researchers at quantum computing firm D-Wave. However, outside observers are more cautious.

It had long been hoped that quantum computers will be able to perform some tasks that are impractical or impossible on even the best supercomputers. Google was the first to demonstrate this “ ” in 2019, but only for a somewhat contrived benchmark test with no practical use. Earlier this month, Google …New Scientist

 

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