Entanglement of two quantum memories via fibres over dozens of kilometres Posted on February 13, 2020 Read the full article at: https://www.nature.com/articles/s41586-020-1976-7?WT.ec_id=NATURE-20200213&utm_source=nature_etoc&utm_medium=email&utm_campaign=20200213&sap-outbound-id=F2DD31D975FAEE4D086F72CC21B6B7C1634E2BAC&mkt-key=005056B0331B1ED7838C3CBD38E18342