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Category Archives: APS Physics
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. Continue reading
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. Continue reading
A Nonlinear Cavity Cools a Cantilever
Photons in a nonlinear cavity perform “negative” work on a mechanical oscillator, cooling it toward its ground state. Continue reading
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. Continue reading
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. Continue reading
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. Continue reading
Foot Functionality Elucidated
When humans walk, our feet act as levers rather than landing pads as previously thought. Continue reading
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…
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. Continue reading
A Dense, Cold Gas of EuropiumAtoms
A Bose-Einstein condensate of europium atoms provides a new experimental platform for studying quantum spin interactions. Read more at APS Physics…