Tag Archives: APS Physics

Deciphering Single-Molecule Fluorescence

Posted on March 22, 2023 by rberkowitz

Spatial maps of the light emitted by an excited molecule reveal how the emission depends on the molecule’s charge states. Continue reading →

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Universal Quantum Logic through Spin Swapping

Posted on March 18, 2023 by rberkowitz

Researchers have demonstrated quantum gate operations in a system where voltage pulses cause neighboring electron spins to swap with one another. Continue reading →

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How Microswimmers Push Through Solid-Like Fluids

Posted on March 16, 2023 by rberkowitz

If a helical bacteria’s tail propulsion is strong enough to deform the yield-stress fluid ahead of the swimmer, locomotion proceeds. Continue reading →

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High-Resolution Wind Detection

Posted on March 3, 2023 by rberkowitz

A phase-modulated lidar system can measure the speed of distant winds at submeter scales, potentially allowing detailed maps of turbulent flows. Continue reading →

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A New Route to Room-Temperature Ferromagnets

Posted on February 21, 2023 by rberkowitz

A novel crystalline material is readily grown from low-melting-temperature mixtures—a result that points toward a new route to above-room-temperature ferromagnets. Continue reading →

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How Sea Spray Might Disperse Large Particles

Posted on February 3, 2023 by rberkowitz

Experiments reveal new details of the process by which contaminants in the ocean could reach the atmosphere through the bursting of bubbles in foam. Continue reading →

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Massive Star Formation DisplaysSelf-Control

Posted on January 19, 2023 by rberkowitz

New observations of a stellar nursery highlight a self-regulation mechanism that appears to resolve discrepancies between simulated and observed efficiencies of star formation. Continue reading →

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A Salt-Based Laser Color Converter

Posted on January 19, 2023 by rberkowitz

Artificial salts that are liquid at room temperature can be used to efficiently tune the wavelength of a laser source. Continue reading →

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A Nonlinear Cavity Cools a Cantilever

Posted on January 18, 2023 by rberkowitz

Photons in a nonlinear cavity perform “negative” work on a mechanical oscillator, cooling it toward its ground state. Continue reading →

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The Sounds of Atoms

Posted on January 9, 2023 by rberkowitz

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. Continue reading →

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