China Claims To Have World's Most Powerful Quantum Computer, Tops Google

A group of researchers in China has developed what they believe to be the world's most powerful quantum computer, marking the latest milestone in a series of fascinating quantum computing advancements, New Scientist reports. According to a preprint uploaded to arXiv, the quantum computer was able to solve a problem with 56 of its 66 qubits (the quantum equivalent of bits in a conventional computer); breaking the previous record by Google.