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A universal law for the interaction of pedestrians in a crowd, based on a walker’s ability to anticipate collisions, leads to accurate simulations of a variety of crowd conditions.
The seemingly erratic motion of insects in a swarm exhibits the correlated behavior of particles near the critical point of a phase transition.
Qubits based on trapped ions can be prepared and manipulated with record-breaking accuracy, offering a promising scalable platform for quantum computing.
An automated analysis of the words in 117 years worth of the Physical Review selects scientific memes—significant ideas that emerge and spread through the literature.
The polarization of an intense laser beam can theoretically be controlled by mixing it with a second beam in a plasma.