Category Archives: APS Physics

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 →

Posted in APS Physics | Tagged , | Leave a comment

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 →

Posted in APS Physics | Tagged , , | Leave a comment

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 →

Posted in APS Physics | Tagged , | Leave a comment

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 →

Posted in APS Physics | Tagged , , | Leave a comment

How Freshwater Mixes in a Winter Lake

Posted on January 5, 2023 by rberkowitz

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. Continue reading →

Posted in APS Physics | Tagged , | Leave a comment

Dark Matter Goes Down to the Wire

Posted on December 12, 2022 by rberkowitz

A superconducting nanowire detector places new bounds on how a hypothetical lightweight dark matter particle interacts with electrons. Continue reading →

Posted in APS Physics | Tagged , | Leave a comment

Foot Functionality Elucidated

Posted on December 8, 2022 by rberkowitz

When humans walk, our feet act as levers rather than landing pads as previously thought. Continue reading →

Posted in APS Physics | Tagged , | Leave a comment

Physics in Confined Spaces

Posted on December 2, 2022 by rberkowitz

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…

Posted in APS Physics | Tagged , , | Leave a comment

Dark Matter Could Cause Excess Optical Background

Posted on November 30, 2022 by rberkowitz

Axions that decay into photons could account for visible light that exceeds what’s expected to come from all known galaxies. Continue reading →

Posted in APS Physics | Tagged , , , | Leave a comment

A Dense, Cold Gas of EuropiumAtoms

Posted on November 23, 2022 by rberkowitz

A Bose-Einstein condensate of europium atoms provides a new experimental platform for studying quantum spin interactions. Read more at APS Physics…

Posted in APS Physics | Tagged , | Leave a comment