Category Archives: Physics Today

When the ants go marching in

Ants in a confined environment divide labor to optimize excavation. Continue reading

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Semiconductor crystals achieve record thermal conductivity

The synthesis of low-defect boron arsenide crystals could reduce overheating in electronic devices. Continue reading

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Southern Ocean absorbs less CO2 than previously thought

Winter measurements by robotic floats call current carbon estimates into question. Continue reading

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Acoustic metasurface creates quiet locations in a room

With its tunable panels, the specially designed surface can sculpt soundscapes on the fly. Continue reading

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Binary semiconductor realizes high thermal conductivity

The synthesis of low-defect boron arsenide crystals could help thermal management in electronic devices. Continue reading

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Size-sorted sand creates uncommon length scale in windblown formations

A combination of grain-size distribution and critical wind speed is responsible for megaripples. Continue reading

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Friction remembers its past

Experiments show that frictional interfaces age and bounce back. Continue reading

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Quieting a room with metamaterial wall panels

Specially designed surface sculpts sound waves in a room. Continue reading

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New tools for forecasting steam-blast eruptions

Satellite data can pinpoint predictors of future explosive activity. Read more in Physics Today…

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How to build megaripples out of sand

Sorting of grains by steady winds produces rare formations larger than ripples but smaller than dunes. Continue reading

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