Category Archives: Physics Today

Leaking oxygen leaves gaps deep within lithium-ion battery electrodes

Posted on July 6, 2021 by rberkowitz

Mapping the structure left behind after oxygen atoms seep from the electrodes could lead to new fixes that improve the batteries’ lifetime. Continue reading →

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Macroscopic systems can be controllably entangled and limitlessly measured

Posted on July 1, 2021 by rberkowitz

Two oscillating membranes demonstrate correlations forbidden by classical physics. Continue reading →

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Polarized light shows hot gas swirling around a galactic core

Posted on June 1, 2021 by rberkowitz

The images of galaxy Messier 87 provide evidence of magnetic field lines in its innermost region. Those lines likely trace the event horizon of a supermassive black hole. Continue reading →

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Large systems can be controllably entangled and limitlessly measured

Posted on May 27, 2021 by rberkowitz

A mechanical oscillator has quantum properties that can be directly observed. Read more in APS Physics…

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Ancient lightning may have provided the phosphorus necessary for life

Posted on April 6, 2021 by rberkowitz

On early Earth, lightning strikes created glassy rocks that hosted abundant soluble minerals, which were rich in phosphorus, a vital ingredient in biomolecules. Continue reading →

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A tabletop waveguide delivers coherent x rays

Posted on April 1, 2021 by rberkowitz

The layered anode emits bright, directed beams without the need for mirrors or large-scale accelerators. Continue reading →

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Evolutionary insights into shape-shifting proteins

Posted on March 2, 2021 by rberkowitz

Over millions of years a protein that now folds into two stable structures likely favored first one configuration, then the other, before settling on both. Continue reading →

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A tabletop waveguide delivers focused x rays

Posted on February 28, 2021 by rberkowitz

By simultaneously generating and guiding beams, the layered anode emits x rays in one direction without the need for mirrors or large-scale accelerators. Continue reading →

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Evolutionary insights into shape-shifting protein

Posted on January 27, 2021 by rberkowitz

A protein that has two stable structures likely evolved from an ancestor that had only one. Continue reading →

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Railways could double as a tool for probing Earth’s shallow crust

Posted on January 12, 2021 by rberkowitz

Seismologists prospect for mineral deposits in Canada by recording the humming vibrations from freight trains. Continue reading →

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