Tag Archives: APS Physics

Novel Coronavirus Prompts Computer Sharing

A consortium of high-performance computing centers helps fast-track COVID-19 vaccine, drug, and epidemiology calculations.  Continue reading

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Excited Molecules Escape Their Trap

The loss of ultracold molecules from an optical trap comes from optical excitation of the complexes that form when two of the molecules collide.  Continue reading

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Three Helium-Ammonia Compounds Found for Icy Planets

Stable compounds made from helium and ammonia are predicted to form at the extreme pressures found inside Neptune and Uranus.  Continue reading

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Untangling Neurons with Scattered Light

Light-scattering measurements and high-performance computing enable mapping of complex nerve fiber organizations in the brain.  Continue reading

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Monitoring Volcanic Eruptions Using Lightning

Volcanologist Alexa Van Eaton explains the origins of electrical activity in volcanic ash plumes and why it sometimes leads to detectable lightning. Continue reading

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Some Granular Columns Weigh Too Much

Particles packed inside a cylinder can experience a downward force from the walls, resulting in an apparent weight increase.  Continue reading

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Spin Transport in Nonmagnetic Materials

Interactions between electron spins and acoustic lattice vibrations in a nonmagnetic material could generate a spin current over a long distance.  Continue reading

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Tracking Forces with Sound

Acoustic emission from a ruptured liquid film reveals the forces that drive the liquid’s flow. Continue reading

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A Time Crystal Without a Driver

A calculation shows that an elusive, isolated quantum time crystal may not be far from reality. Continue reading

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Physical Model of Skull Growth

A model predicts skull growth patterns based on mechanical effects, rather than biology, and could help surgeons treating patients with head growth problems. Continue reading

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