One strange material hosts two flavours of superconductivity at once — a clue in the hunt for quantum computing's missing piece

Superconductors carry electricity with zero resistance, and a rare 'topological' kind could make quantum computers far more reliable — but none has been proven to exist. Cornell University researchers squeezed and chilled a crystal called uranium ditelluride and showed it can host two different superconducting states at the same time, the key ingredient the topological kind would require. Their corrected map of the material's behaviour, published in Nature Physics, settles years of argument about this much-studied crystal.

SDG 9 · Industry, innovation and infrastructure — Mechanism: tech innovation