Category Archives: APS Physics

Laser Breaks Liquid into Uniform Droplets

Posted on December 11, 2021 by rberkowitz

A laser beam hitting a column of liquid controls the droplet pinch-off at the bottom of the stream. Continue reading →

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Mobile Phone Signals Hold Real-Time Rainfall Information

Posted on December 9, 2021 by rberkowitz

Techniques for monitoring rainfall with signals from mobile phone networks are making their way to small-scale farmers in rural Africa. Continue reading →

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A Physical Match for the Riemann Zeta Function

Posted on December 8, 2021 by rberkowitz

Mathematical properties of a famous number-theory conjecture correspond to the physical scattering properties of a quantum field theory. Continue reading →

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Glassy Behavior Depends on Dimension

Posted on December 7, 2021 by rberkowitz

The number of excess vibrational modes in glasses scales differently in two dimensions than it does in three. Continue reading →

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Search for Sculptor’s Stone Reveals New Marble Outcrops

Posted on December 7, 2021 by rberkowitz

Isotope geochemistry and grain size analysis, combined with a long summer’s hike, start to resolve an art history puzzle Continue reading →

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Simple Additives Make Polar Fluids More Polar

Posted on November 25, 2021 by rberkowitz

The strong polar nature of bonded molecular pairs called zwitterions boosts the dielectric constants of polar fluids. Continue reading →

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A Universal Model of Spin Relaxation

Posted on November 19, 2021 by rberkowitz

A first-principles theory predicts nonequilibrium spin dynamics, including various quantum scatterings for general solid materials. Continue reading →

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Lone Spin Remains Shielded Despite Superconductivity

Posted on November 1, 2021 by rberkowitz

Researchers explore the question of whether a Kondo cloud—a phenomenon common in conventional metals—can also occur in superconductors. Continue reading →

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Pluto’s Tilt Explains Ice Sheet’s History

Posted on October 21, 2021 by rberkowitz

Climate models based on changes in Pluto’s orbital tilt suggest that the dwarf planet’s heart-shaped ice sheet continues to undergo cycles of sublimation, condensation, and reorientation. Read more in APS Physics…

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A Laser-Free Method for Cooling Heavy Molecules

Posted on October 21, 2021 by rberkowitz

Electric deceleration brings a beam of the largest molecules yet to a standstill. Continue reading →

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