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Multiplexing techniques could boost the chances of achieving end-to-end entanglement of a signal in a trapped-ion-based quantum-computer network.

Highlights of the Year × There is no denying that the raging pandemic shaped the world of physics in 2020, shifting research priorities, hindering in-person meetings, disrupting supply chains, and leaving a psychological toll on students, teachers, and researchers. Many physicists from around the world shared with us their experiences coping with the pandemic. Yet physics research in all fields marched on and kept delivering surprises and breakthroughs. The selection of our favorite stories of...