Also covered here (non-paywalled site): https://phys.org/news/2020-12-chinese-photonic-quantum-supremacy.html https://phys.org/news/2020-12-chinese-photonic-qu

Also covered here (non-paywalled site): https://phys.org/news/2020-12-chinese-photonic-quantum-supremacy.html https://phys.org/news/2020-12-chinese-photonic-quantum-supre...