Category Archives: Physics Today

Leaking oxygen leaves gaps deep within lithium-ion battery electrodes

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

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

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

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

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

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

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

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

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

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

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