Category Archives: Physics Today

Cold, supersaturated urban air could be accelerating pollutant particle growth

Posted on July 2, 2020 by

A new experiment suggests that ammonium nitrate particles nucleate and quickly grow in winter conditions.  Continue reading →

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Smog-forming particles may grow quickly in supersaturated urban air

Posted on June 18, 2020 by

Ammonium nitrate particles nucleate and grow in winter-like conditions, according to a new experiment. Continue reading →

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Seafloor avalanches travel fast and far

Posted on June 3, 2020 by

Acoustic measurements of sediment concentration quantify the wide-reaching influence of turbidity currents.  Continue reading →

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Pressure alters rock magnetization

Posted on May 18, 2020 by

A rock buried in Earth’s crust or a meteorite compressed on impact may end up with increased magnetization.  Continue reading →

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Food residues help date ancient pottery

Posted on May 6, 2020 by

Radiocarbon dating of carefully extracted fatty-acid compounds could become a robust archaeological tool. Continue reading →

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Localized electric field manipulates a nuclear spin

Posted on May 2, 2020 by

The atom-level control could provide the precision required for some quantum computing applications. Continue reading →

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The forces that burst bubbles

Posted on April 14, 2020 by

The energy balance between shell, liquid, and impact velocity determines when an elastic capsule will deform and break.  Continue reading →

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Localized electric field manipulates a nuclear spin

Posted on April 9, 2020 by

Nuclear electric resonance provides the atom-level control required for some quantum computing applications.  Continue reading →

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Rare nuclear transition provides evidence for stellar explosion mechanism

Posted on March 2, 2020 by

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

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A broad acoustic bandwidth helps listeners understand fragmented speech

Posted on February 1, 2020 by

High-frequency audibility is critical for understanding speech in crowded social settings. Continue reading →

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