Author Archives: rberkowitz

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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Taking the twinkle out of stars

Adaptive optics at Paranal Observatory give satellite-quality images from surface of Earth. 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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A Kilauea eruption like no other

The famously active Hawaiian volcano typically erupts at existing fissures and triggers minor earthquakes. This latest event has no such limitations. Continue reading

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Forecasting steam-burst eruptions

Satellite data can pinpoint the locations of potentially life-threatening geothermal events.   Continue reading

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