Nobel Prize in Physics honors the discovery of a supermassive compact object at the heart of the Milky Way

By tracking the orbits of stars close to the galactic center, Reinhard Genzel and Andrea Ghez ruled out all possibilities besides a black hole. Read more in Physics Today…

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Climate patterns shape forest wildfire recovery

An alternating north–south drought cycle in the western US restricts seedlings’ ability to regenerate after fires. Read more in Physics Today…

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AI Tools Boost Simple Technologies in a Shared World

Bicycles and indoor lighting are among many everyday features that can benefit from recent advances in artificial intelligence. Read more in APS Physics…

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Charges Cascading Along a Molecular Chain

Removing one charged molecule from a one-dimensional array causes the others to alternately turn ‘on’ or ‘off,’ paving the way for information transfer in tiny circuits. Read more at Berkeley Lab…

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Active Particles Map to Passive Random Walks

Researchers make systems of self-propelled particles produce the same large-scale dynamics as passive-particle systems. Read more in APS Physics…

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A Tune for Lowering Lattice Friction

Placing an acoustic source on a sample could eliminate the energy dissipation caused by atomic defects moving through the solid. Read more in APS Physics…

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Toward a Perfect Single-Photon Source

Semiconductor quantum dot emits photons that are squeezed below the fundamental noise limit. Read more in APS Physics…

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An Electrical Trigger Fires Single, Identical Photons

The precisely controlled photon source, made from an atomically thin semiconducting material, could aid the development of advanced quantum communication. Read more at Berkeley Lab…

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Phosphine detection highlights unknowns of Venus’s atmosphere

Modeling, lab work, and perhaps a mission to the planet will be required to understand the chemical reactions that take place within Venus’s hot, dense, oxidizing cloud layers. Read more in Physics Today…

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Tropical soils could be accelerating global warming

A field study challenges climate simulations by showing increased carbon loss from warmed low latitude soils. Read more in Physics Today…

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