• Physics 18, 23
Davisson and Germer showed that electrons scatter from a crystal the way x rays do, proving that particles of matter can act like waves.
Bell Laboratories, Alcatel-Lucent USA, courtesy AIP Emilio Segrè…
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Antiprotons from Beyond the Solar System
• Physics 18, 19
The spectrum of cosmic-ray antiprotons has been measured for a full solar cycle, which may allow a better understanding of the sources and transport mechanisms of these high-energy particles.
NASA
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User-friendly system can help developers build more efficient simulations and AI models | MIT News
The neural network artificial intelligence models used in applications like medical image processing and speech recognition perform operations on hugely complex data structures that require an enormous amount of…
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Last Month Unexpectedly Finished as the Warmest January on Record
After burning for 24 days, the deadly Palisades Fire in the Los Angeles area finally was declared 100 percent contained on Jan. 31, 2025. Two days later, an analysis found last month to be the warmest January on record globally. Scientists…
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DARPA Grand Challenge: 20 Years Later
The 2004 DARPA Grand Challenge was a spectacular failure. The Defense Advanced Research Projects Agency had offered a US $1 million prize for the team that could design an autonomous ground vehicle capable of completing an off-road course…
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Next-Generation Spacecraft: How Caltech is Making Lightsails a Reality
Can lightsails be the future of deep space exploration? This is what a recent study published in Nature Photonics hopes to address as a team of researchers from the California Institute of Technology (Caltech)…
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Worsening Climate “Whiplash” Helps Explain Why California’s Wildfires Were so Ferocious
At long last, the Eaton and Palisades wildfires in Los Angeles are almost fully contained.
It has been more than three weeks since the blazes erupted on Jan. 7, 2025, and now, as I’m writing this on Friday, Jan. 31, they are finally just a percent…
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Auricular Muscles Scientists Thought We Didn’t Use Actually Activate When We Listen Hard
If you can wiggle your ears, you can use the auricular muscles, which helped our distant ancestors listen closely. These muscles helped change the shape of the pinna, or the shell of the ear, funneling sound to the eardrums. Millions of years…
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Hotter cities? Here come the rats
If your city is getting rattier, climate change may be partially to blame.
In an analysis of 16 cities around the world, those that saw the biggest temperature rises over the years also had more rat complaints over time, researchers…
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With generative AI, MIT chemists quickly calculate 3D genomic structures | MIT News
Every cell in your body contains the same genetic sequence, yet each cell expresses only a subset of those genes. These cell-specific gene expression patterns, which ensure that a brain cell is different from a skin cell,…
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