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Physics Topics

Brighter and faster: The promise and challenge of the x-ray free-electron laser

Physics Today - Tue, 06/30/2015 - 01:45
Starting with the Linac Coherent Light Source in 2009, free-electron lasers are using x rays in new ways. Early results are wowing scientists the world over.
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A half century of density functional theory

Physics Today - Tue, 06/30/2015 - 01:45
Today’s most popular method for calculating the electronic structure of atoms, molecules, liquids, solids, and plasmas began as a bold hypothesis: The electron density distribution completely characterizes the ground state of a many-electron system.
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Magic moments with John Bell

Physics Today - Tue, 06/30/2015 - 01:45
John Bell, with whom I had a fruitful collaboration and warm friendship, is best known for his seminal work on the foundations of quantum physics, but he also made outstanding contributions to particle physics and accelerator physics.
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Efimov trimers imaged for the first time

Physics Today - Tue, 06/30/2015 - 01:45
The exotic molecules, though composed of three identical atoms, have an asymmetric structure.
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Mechanical rupture explains a bacterium’s puzzling “pop”

Physics Today - Tue, 06/30/2015 - 01:45
Experiments suggest that dividing Staphylococcus cells are designed to crack under pressure.
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Artificial eardrums get real

Physics Today - Tue, 06/30/2015 - 01:45
Three-dimensional printing can fabricate polymer scaffolds that mimic the orientation of collagen in the tympanic membrane.
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New lows for magnetic shielding

Physics Today - Tue, 06/30/2015 - 01:45
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Longitudinal waves in piano strings

Physics Today - Tue, 06/30/2015 - 01:45
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DOE: Let’s move accelerator technologies to commercial markets

Physics Today - Tue, 06/30/2015 - 01:45
Accelerator-based technologies are used in the production and handling of everyday items, from gems to tires to weapons.
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Renewal of Sino–US nuclear accord in question

Physics Today - Tue, 06/30/2015 - 01:45
Blanket approval for fuel reprocessing and China’s adapting US civil reactor technology for military use are key concerns for lawmakers.
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Nonproliferation treaty talks end in acrimony

Physics Today - Tue, 06/30/2015 - 01:45
Issues of nuclear nonproliferation and disarmament take a back seat to a Middle East regional nuclear-free zone.
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Neutrino detector moves from Italy to Illinois

Physics Today - Tue, 06/30/2015 - 01:45
Liquid argon is selected for next-generation experiments.
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Lederman sells Nobel

Physics Today - Tue, 06/30/2015 - 01:45
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Commentary: Soft matters matter

Physics Today - Tue, 06/30/2015 - 01:45
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Ultrafast camera’s early history

Physics Today - Tue, 06/30/2015 - 01:45
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A final note on bell-like tones

Physics Today - Tue, 06/30/2015 - 01:45
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Correction

Physics Today - Tue, 06/30/2015 - 01:45
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