Category Archives: Physics Today

The impact of switching research fields

A new quantitative study finds a correlation between physicists who change areas of research and their scientific impac Continue reading

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A simple magnetic field configuration could trigger solar eruptions

current, magnetic reconnection, and tension forces strong enough to hurl material into space. Continue reading

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How a simple magnetic field configuration could trigger solar eruptions

The reconnection of single-looped field lines in the Sun’s corona can create tension forces strong enough to hurl material into space, according to a new simulation. Continue reading

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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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