IBM Raises the Bar with a 50-Qubit Quantum Computer - Will Knight, MIT Technology Review

Researchers have built the most sophisticated quantum computer yet, signaling progress toward a powerful new way of processing information. IBM established a landmark in computing last month, announcing a quantum computer that handles 50 quantum bits, or qubits. The company is also making a 20-qubit system available through its cloud computing platform. IBM, Google, Intel, and a San Francisco startup called Rigetti are all currently racing to build useful quantum systems. These machines process information in a different way from traditional computers, using the counterintuitive nature of quantum physics. The announcement does not mean quantum computing is ready for common use. https://www.technologyreview.com/s/609451/ibm-raises-the-bar-with-a-50-qubit-quantum-computer/