Tag Archives: Physics

Cold, supersaturated urban air could be accelerating pollutant particle growth

A new experiment suggests that ammonium nitrate particles nucleate and quickly grow in winter conditions.  Continue reading

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Ion Recoil from Photon Beam Observed

Experiments confirm that photonionized molecules get a backward kick, as predicted by theory.  Continue reading

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New Model Predicts Sudden Rogue Waves

Unified theory describes formation of huge, mysterious waves. Continue reading

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Electrons in graphene follow viscous fluid laws

A new imaging technique captures the characteristic hydrodynamic flow profile. Continue reading

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Physical cosmology wins a share of the Nobel Prize in Physics

James Peebles developed a mathematical framework that describes how the universe evolved. Decades of empirical evidence later, it still holds up. Continue reading

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Physics Technique Reveals Hidden Bugs to Bats

Strategic angles help bats hunt stationary bugs on leaves. Continue reading

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An odd fluid shows its inner workings

Viscous forces drive waves along a two-dimensional fluid’s free surface. Continue reading

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The hydrodynamics of a quantum fluid

The behavior of a one-dimensional gas of ultracold atoms confirms a generalized theory. Continue reading

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Father of optical trapping awarded a share of the Nobel Prize in Physics

Optical tweezers have endured as an invaluable laboratory tool for manipulating molecules and other small particles. Continue reading

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Soot formation: A new mechanism for an old problem

Gaseous hydrocarbons may cluster into sooty particles through a chain reaction. Continue reading

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