Author Archives: rberkowitz

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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New Model Predicts Sudden Rogue Waves

Unified theory describes formation of huge, mysterious waves. Continue reading

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The forces that burst bubbles

The energy balance between shell, liquid, and impact velocity determines when an elastic capsule will deform and break.  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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Localized electric field manipulates a nuclear spin

Nuclear electric resonance provides the atom-level control required for some quantum computing applications.  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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Rare nuclear transition provides evidence for stellar explosion mechanism

With its higher-than-expected propensity to capture electrons, neon could drive some stars’ thermonuclear death.  Continue reading

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