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Solid-state qubits: Forget about being clean, embrace mess

New findings debunk previous wisdom that solid-state qubits need to be super dilute in an ultra-clean material to achieve long lifetimes. Instead, cram lots of rare-earth ions into a crystal, and some will form pairs that ...

A new map points at the impacts of rare earth elements

A map created by the Debt Observatory in Globalization in collaboration with the EJAtlas of Institute of Environmental Science and Technology of the Universitat Autònoma de Barcelona (ICTA-UAB), the Institute for Policy ...

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