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An ion-exchange reaction couples self-propelling ZnO nanorods and sulfonated polystyrene microbeads to create an aggregated swarm system capable of quorum sensing.
Quantum computing requires fast and selective control of a large number of individual qubits while maintaining coherence, which is hard to achieve concomitantly. All-electrical operation of a hole spin qubit in a Ge/Si nanowire demonstrates the principle of switching from a mode of selective and fast control to idling with increased coherence.
