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Since the late 1960s, the Laboratoire Aimé Cotton (LAC) in Orsay, France, has made significant progress in the classification of complex atomic spectra. These advances have been driven both by the development of Fourier ...
General Physics
Sep 24, 2024
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Mathematical analysis reveals that within Brazil's agriculture and livestock industry, the biofuels sector is most heavily reliant on other sectors with high greenhouse gas emissions.
Environment
Sep 19, 2024
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A new technique may make it easier for researchers to create real-time images of microscopic samples by considering the waves that propagate through sample surfaces as light interacts with them.
Optics & Photonics
Sep 19, 2024
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Analysis suggests that the two pioneers of quantum mechanics, Niels Bohr and John von Neumann, may have had more similar views than previously thought regarding the nature of quantum systems, and the classical apparatus used ...
Quantum Physics
Sep 19, 2024
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When studying the solar spectrum, researchers often search for specific emission lines: prominent wavelengths emitted by ions as their electrons transition from higher to lower energy levels. Emission spectra of two iron ...
Astronomy
Aug 2, 2024
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Man-made emissions of nitrous oxide (N₂O) are rapidly increasing globally and are predicted to pose a growing threat to Earth's ozone layer. In the 1970s, it was discovered that N₂O in the upper atmosphere can trigger ...
Earth Sciences
Aug 2, 2024
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Small-angle scattering (SAS) is a powerful technique for studying nanoscale samples. So far, however, its use in research has been held back by its inability to operate without some prior knowledge of a sample's chemical ...
Nanophysics
Jul 12, 2024
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If you studied advanced physics at high school, there's a good chance that you remember Snell's law, which states how a ray of light bends when it crosses a boundary between two media. According to this law, the ratio of ...
Optics & Photonics
Jun 26, 2024
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During electron-impact ionization (EII), high-energy electrons collide with atoms, knocking away one or more of their outer electrons. To calculate the probability that ionization will occur during these impacts, researchers ...
General Physics
Jun 26, 2024
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Most of us are familiar with the classic example of a liquid-gas moving contact line on a solid surface: a raindrop, sheared by the wind, creeps along a glass windscreen. The contact line's movements depend on the interplay ...
Soft Matter
Jun 26, 2024
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