Physics

  1. 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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  2. Chemistry

    Chemists turned plastic waste into tiny bars of soap

    Researchers developed a process to turn plastic waste into surfactants, the key ingredients in dozens of products, including soap.

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  3. Chemistry

    Magnetic ‘rusty’ nanoparticles pull estrogen out of water

    Iron oxide particles adorned with “sticky” molecules trap estrogen in water, possibly limiting the hormone’s harmful effects on aquatic life.

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  4. Physics

    How to run a marathon in under two hours

    Running between other people reduces air resistance. A new study identifies optimal positioning of such drafting formations. Watch out, marathon records.

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  5. Particle Physics

    There’s a new measurement of muon magnetism. What it means isn’t clear

    The measurement, from the Muon g−2 experiment, is the most precise yet. But recent theoretical predictions are a bit muddled.

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  6. Physics

    Centuries on, Newton’s gravitational constant still can’t be pinned down

    A new experiment could finally answer the question 'What is the strength of gravity?' But it's a hard test to do.

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  7. Physics

    Mass has different definitions. The moon’s orbit confirms two are equivalent

    Laser measurements of the moon’s orbit square with Newton’s third law of motion and Einstein’s theory of gravity.

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  8. Materials Science

    This ‘thermal cloak’ keeps spaces from getting either too hot or cold

    A new thermal fabric prototype could help keep cars, buildings and other spaces a comfortable temperature during heat waves while reducing CO₂ emissions.

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  9. Chemistry

    Tear-resistant rubbery materials could pave the way for tougher tires

    Adding easy-to-break molecular connectors surprisingly makes materials harder to tear and could one day reduce microplastic pollution from car tires.

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  10. Physics

    Electrons are extremely round, a new measurement confirms

    The near-perfect roundness deepens the mystery behind how the universe came to be filled with matter as opposed to antimatter.

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  11. Physics

    Neutrinos offer a new view of the Milky Way

    Physicists turned to AI to help map out the newfound origins of ghostly neutrino particles coming from deep in the Milky Way.

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  12. Astronomy

    A newfound gravitational wave ‘hum’ may be from the universe’s biggest black holes

    Scientists reported evidence for a new class of gravitational waves, likely created by merging supermassive black holes.

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