IBM Raises the Bar with a 50-Qubit Quantum Computer

Researchers have built the most sophisticated quantum computer yet, signaling progress toward a powerful new way of processing information.

A congress attendee speaks on his mobile phone in front of IBM logo, during the Mobile World Congress on March 1, 2017 in Barcelona, Spain — Joan Cros Garcia/Corbis via Getty Images

By Will Knight

IBM established a landmark in computing Friday, announcing a quantum computer that handles 50 quantum…

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