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The Smallest Quantum Computer Yet

A trapped-ion-based quantum computer that fits in two boxes, each the size of a studio apartment’s shower, can create a fully entangled 24-particle quantum state. Read More »

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Pulsar Halo Hints at Slow Diffusion of Cosmic Rays  

Observations made by the LHAASO gamma-ray observatory show huge differences in the rate at which charged particles propagate through the Milky Way. Read More »

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Cantilever Experiments Update Description of Thermal Noise  

Multiple sources of mechanical dissipation seem to explain why a cantilever subject to an extreme temperature gradient has less thermal noise than theory predicts.  Read More »

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Viewpoint

When the Disorder is Just Right

A new model suggests that disorder can be a crucial ingredient for producing non-Fermi-liquid behavior in a system of interacting fermions. Read More »

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Focus

Surface Effect Contributes to Small Structures’ Surprising Strength

Experiments that compress cubes containing gold nanowires suggest that a previously overlooked feature may help explain the surprising strength of tiny objects. Read More »

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An Optical System Defies Conventional Band Theory

Squeezed wave functions reshape an open quantum system’s bulk-boundary properties and generate a new class of parity-time symmetry. Read More »

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An Efficient Way to Predict Water’s Phases

A machine-learning technique maps water’s phase space as reliably as gold standard ab initio calculations but at a much smaller computational cost. Read More »

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Research News

Upgrading a Hybrid Computing Algorithm

Researchers outline a protocol for performing a popular quantum-classical machine-learning algorithm with a so-called measurement-based quantum computer, which could allow for more resource-efficient calculations. Read More »

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Robo-Fish Replicates Real Swimming Action

A robotic fish whose swimming action is initiated in the same way as that of real fish could help researchers test predictions about these underwater creatures, using well-controlled conditions. Read More »

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