20qubit
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IBM's processor pushes quantum computing closer to 'supremacy'
IBM Q research has built and tested an operational 50 qubit prototype processor, a huge leap up from its previous record of 17 qubits. The company is also set to make a 20 qubit quantum system available online for clients to try, with an updated superconducting design, connectivity and packaging. That'll let users run computations with a "field-leading" 90 microseconds of coherence, allowing "high-fidelity quantum operations," IBM says.
