Category Archives: APS Physics

Testing a New Solar Sandwich

By combining the world’s oldest photovoltaic material with today’s most used one, researchers have taken a step toward next-generation solar devices. Continue reading

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Seeking Solutions to Underwater Noise Pollution

Kamal Kesour conducts measurements to identify the sources of noise coming from ships passing through the St. Lawrence Estuary in Quebec, Canada, looking for ways to help crews reduce underwater noise. Continue reading

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Reducing Persistence ofAntibiotic Resistance

A light-based technique can make bacteria more susceptible to antibiotics, and it is nearing clinical trials. Continue reading

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How Lasers Could Build Heavy Elements

Laser-generated nucleosynthesis remains out of reach of present-day technology—but more powerful lasers could eventually make it possible. Continue reading

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Explaining Mars’ Patchy Aurora

The solar wind’s orientation relative to Mars’ magnetic-field lines changes as the planet rotates, creating conditions ripe for magnetic reconnection. Continue reading

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Hot Surfaces Make Droplets Move Erratically

A droplet of a volatile liquid can move on a uniformly heated surface thanks to a nonuniform evaporation effect that drives an unstable fluid flow within the droplet. Continue reading

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How Fur Frustrates Fouling

A hair’s resistance to dirt depends on how much it deforms in a flowing fluid. Read more in APS Physics… Continue reading

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Water Reduces Ground Coffee’s Charge

Adding water to coffee beans before grinding can reduce the buildup of static charge—and make a stronger espresso. Continue reading

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Why Humidity Doesn’t Affect Drying Paint

Experiments verify a theory that explains why paint doesn’t dry any faster on a dry day than on a wet day. Continue reading

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Solid-State Physicist Turns to Rocks

An archaeology-focused sabbatical prompted semiconductor physicist Kristin Poduska to ask questions about how the environment impacts the chemical and structural properties of natural materials. Continue reading

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