Explainer: Google hails 'quantum supremacy', but don't chuck out your PC just yet

BERLIN (Reuters) - Researchers at Google say they have achieved 'quantum supremacy', in which a computer harnessing the properties of sub-atomic particles did a far better job of solving a problem than the world's most powerful supercomputer. Given the task of finding a pattern in a seemingly random series of numbers, Google's quantum computer produced an answer in 3 minutes and 20 seconds. It estimates that the Summit supercomputer https://www.ibm.com/thought-leadership/summit-supercomputer at..