A noticeable change filled the air last summer—an actual change in air quality. Wildfires in Canada produced smoke-filled skies and wood-burnt, chemically scented air. National media showed images of orange-tinged skies ...
Environment
Feb 27, 2024
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34
University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing ...
Optics & Photonics
Feb 16, 2024
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Auger electron spectroscopy (AES) is an incredibly useful technique for probing material samples—but current assumptions about the process ignore some of the key time-dependent effects it involves. So far, this has resulted ...
General Physics
Feb 15, 2024
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5
The final text of the latest UN climate summit COP28, now called the UAE consensus, called for countries to "transition away from fossil fuels in energy systems, in a just, orderly and equitable manner, accelerating action ...
Political science
Jan 23, 2024
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Despite being a renewable energy source, the use of biofuel is controversial, as growing few, highly productive crops for fuel can lead to biodiversity loss in the cropping systems where biomass is produced. A cropping system ...
Ecology
Jan 23, 2024
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63
Humans store water in huge metal towers and deep concrete reservoirs. But nature's water storage is much more scenic—the snowpack that tops majestic mountains. Even if we don't realize it, humans rely on those natural water ...
Earth Sciences
Jan 17, 2024
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19
When you think of ways to reduce carbon emissions and cool a scorching planet, involving the U.S. Federal Reserve Board may not immediately spring to mind.
Economics & Business
Jan 15, 2024
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5
Humans have dreamed about traveling to other star systems and setting foot on alien worlds for generations. To put it mildly, interstellar exploration is a very daunting task. As we explored in a previous post, it would take ...
Space Exploration
Jan 9, 2024
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31
A new study in Physical Review Letters illuminates the intricacies of energy exchanges within bipartite quantum systems, offering profound insights into quantum coherence, pure dephasing effects, and the potential impact ...
Engineers at Columbia University and theoretical collaborators at the Max Planck for the Structure and Dynamics of Matter have found that pairing laser light to crystal lattice vibrations can enhance the nonlinear optical ...
Condensed Matter
Dec 27, 2023
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