Tech

  1. Physics

    50 years ago, timekeepers deployed the newly invented leap second

    After more than 50 years, metrologists will stop using the leap second to align the time kept by atomic clocks with the rate of Earth’s spin.

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  2. Materials Science

    Artificial intelligence helped scientists create a new type of battery 

    It took just 80 hours, rather than decades, to identify a potential new solid electrolyte using a combination of supercomputing and AI.

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  3. Artificial Intelligence

    Generative AI grabbed headlines this year. Here’s why and what’s next

    Prominent artificial intelligence researcher Melanie Mitchell explains why generative AI matters and looks ahead to the technology’s future.

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  4. Space

    A telescope dropped dark matter data from the edge of space. Here’s why

    Last May, NASA’s Super Pressure Balloon Imaging Telescope crash-landed in rural Argentina. Scientists scrambled to recover the dark matter data aboard.

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  5. Physics

    Filipino math teacher Emma Rotor helped develop crucial WWII weapons tech

    Devoted wife of a famed Filipino writer, Emma Unson Rotor worked on the proximity fuze at a U.S. agency in the 1940s.

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  6. Health & Medicine

    50 years ago, X-rays provided an unprecedented look inside the brain

    CT scans can now image the whole body and are even used in other scientific fields such as archaeology, zoology and physics.

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  7. Artificial Intelligence

    How artificial intelligence sharpens blurry thermal vision images

    A thermal imaging technique uses a special camera and AI to create clear images and accurately gauge distances of objects, even in pitch-blackness

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  8. Climate

    How one device could help transform our power grid

    As coal-fired power plants are retired, grid-forming inverters may be key to a future that relies on solar and wind power.

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  9. Health & Medicine

    A new device can detect the coronavirus in the air in minutes

    The detector can sense as a few as seven to 35 coronavirus particles per liter of air — about as sensitive as a PCR test but much quicker.

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  10. Physics

    Physicists split bits of sound using quantum mechanics

    New experiments put phonons — the tiniest bits of sound — into quantum mechanical superpositions and show they are as weird as other quantum entities.

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  11. Tech

    How understanding horses could inspire more trustworthy robots

    Computer scientist Eakta Jain pioneered the study of how human-horse interactions could help improve robot design and shape human-robot interactions.

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  12. Tech

    Deblina Sarkar is building microscopic machines to enter our brains

    The ultratiny devices can communicate wirelessly from inside living cells and may one day help cure brain diseases.

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