Category Archives: APS Physics

Predicting the Shape of Pointy-Rock Forests

Posted on January 19, 2022 by rberkowitz

The shape and curvature evolution of dissolving rocks can be predicted using a new theory. Continue reading →

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Identifying the Source of a Sound

Posted on January 4, 2022 by rberkowitz

Torben Pastore had careers in rock n’ roll, furniture design, and construction before beginning a research career in psychoacoustics. Now he investigates how humans perceive their acoustical surroundings. Continue reading →

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Ultrasound Imaging of Brain with Machine Learning

Posted on December 24, 2021 by rberkowitz

A proposed machine-learning technique can convert ultrasound signals into a skull profile, which could lead to noninvasive imaging for medical treatments in the human brain. Read more in APS Physics…

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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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