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IBM Launches 20-Qubit Quantum Computing Cloud Service

Friday Nov 10th 2017 by Developer.com Staff

But the new technology still faces many hurdles before it's ready for widespread use.

IBM has announced that its cloud computing service will offer access to a 20-qubit quantum computer before the end of the year. Previously, the company offered only a 5-qubit quantum computing service, and it was available for free for use a research tool. The new 20-qubit machine is a commercial service.

Quantum computing poses challenges for developers because qubits have a high error rate, and it only has a short period of time for performing advanced operations. “The holy grail is fault-tolerant universal quantum computing," said Dario Gil, IBM Research vice president. "Today, we are creating approximate universal, meaning it can perform arbitrary operations and programs, but it’s approximating so that I have to live with errors and a [limited] window of time to perform the operations."

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