Massive Star Formation DisplaysSelf-Control

New observations of a stellar nursery highlight a self-regulation mechanism that appears to resolve discrepancies between simulated and observed efficiencies of star formation. Read more in APS Physics…

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A Salt-Based Laser Color Converter

Artificial salts that are liquid at room temperature can be used to efficiently tune the wavelength of a laser source. Read more in APS Physics…

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A Nonlinear Cavity Cools a Cantilever

Photons in a nonlinear cavity perform “negative” work on a mechanical oscillator, cooling it toward its ground state. Read more in APS Physics…

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The Sounds of Atoms

Transforming the spectral lines of each element into a musical tone provides a fun tool for teasing out patterns in the electronic structures of atoms. Read more in APS Physics…

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How Freshwater Mixes in a Winter Lake

An influx of warmer water mixing with a colder ambient volume can create a dense parcel that drives bottom currents and determines the resulting circulation patterns. Read more in APS Physics…

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Lab-Made Motors Could Move and Glow in Cells

Minuscule motor molecules could emit light as they journey into cells. Read more in Scientific American…

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    Dark Matter Goes Down to the Wire

    A superconducting nanowire detector places new bounds on how a hypothetical lightweight dark matter particle interacts with electrons. Read more in APS Physics…

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    Foot Functionality Elucidated

    When humans walk, our feet act as levers rather than landing pads as previously thought. Read more in APS Physics…

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    Physics in Confined Spaces

    Erin Flowers develops laboratory courses for incarcerated men and women, an endeavor that she says is both challenging and rewarding. Read more in APS Physics…

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    Dark Matter Could Cause Excess Optical Background

    Axions that decay into photons could account for visible light that exceeds what’s expected to come from all known galaxies. Read more in APS Physics…

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