At-Home Experiment Exposes Gel Cracks

Kept out of the lab by COVID-19, an undergraduate student has performed experiments in his living room, revealing a mechanism for fracture elongation in soft materials. Read more in APS Physics…

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Evolutionary insights into shape-shifting proteins

Over millions of years a protein that now folds into two stable structures likely favored first one configuration, then the other, before settling on both. Read more in Physics Today…

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A tabletop waveguide delivers focused x rays

By simultaneously generating and guiding beams, the layered anode emits x rays in one direction without the need for mirrors or large-scale accelerators. Read more in Physics Today…

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The Entangled Dance of Atom Beams

Entangled pairs of ultracold atoms interfere in a double waveguide. Read more in APS Physics…

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Femtosecond Probe Catches Electrons Relaxing

Pump-probe experiments measure the time it takes for electrons to thermalize and cool after photoexcitation. Read more in APS Physics…

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Evolutionary insights into shape-shifting protein

A protein that has two stable structures likely evolved from an ancestor that had only one. Read more in Physics Today…

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A Vortex in an Egg Cell

During a fruit-fly egg cell’s early development, its internal fluid begins to swirl in a vortex—a transition caused by the coordinated behavior of elastic filaments in the cell. Read more in APS Physics…

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Railways could double as a tool for probing Earth’s shallow crust

Seismologists prospect for mineral deposits in Canada by recording the humming vibrations from freight trains. Read more in Physics Today…

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Ultrabright Photons for Single-Chip Quantum Devices

A microcavity-based source of photon pairs achieves one hundred times the efficiency of state-of-the-art devices. Read more in APS Physics…

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A galactic fast radio burst finally reveals its origin

Observations at multiple wavelengths provide compelling evidence that the first example of a fast radio burst detected in our galaxy came from a magnetized neutron star. Read more in Physics Today…

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