Physics

  1. Space

    Scientists Say: Lagrange point

    Between and around a two-body system — such as the Earth and sun — there are five points of prime celestial real estate.

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  2. Physics

    How polarized and UV-blocking sunglasses protect our eyes

    Their filters can cut glare to help us see more clearly. The best ones also filter out the sun’s UV rays — even on cloudy days — to limit eye damage.

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  3. Physics

    Scientists Say: Tauonium

    No protons, neutrons or electrons. And yet, based on what scientists know about fundamental particles, this variety of atom just might exist.

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  4. Physics

    Here’s why your blood vessels don’t burst under pressure

    Cells lining the blood vessels reorganize their inner structures to handle stressful boosts in pressure.

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  5. Physics

    Here’s how rainwater might one day power some of your lights

    In tests, the electricity that water droplets made was small, but kept a dozen LEDs lit. This tech might one day power clean energy for wet or rainy places.

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  6. Planets

    Perseverance took the first picture of a visible aurora on Mars

    A faint yet visible aurora has been spotted on Mars. It’s the first such light show seen from another planet's surface.

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  7. Physics

    Can you Manu? It’s the science-backed way to max your splash

    Forget belly flops and cannonballs. Manu jumps — pioneered by New Zealand’s Māori and Pasifika communities — make the biggest blasts.

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  8. Physics

    Can a supervillain destroy the sun?

    Although our sun is a dwarf yellow star, it’s more than massive enough to weather any attempts to alter it — super or otherwise.

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  9. Materials Science

    This electric ‘slime’ might help injuries heal faster

    Our bodies call in healing cells with an electrical signal. When stretched or squeezed, this gel makes electricity that could boost that alert.

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  10. Chemistry

    Micro-sparks between water droplets may have started life on Earth

    This micro-lightning can drive chemical reactions that produce compounds needed for the natural formation of life on Earth, experiments show.

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  11. Physics

    Scientists Say: Lepton

    Leptons are a quirky class of particles. Besides electrons, they include ghostly neutrinos and hefty muons and tauons.

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  12. Physics

    Much of the sun’s light is green. Why does it look yellow?

    Sunlight's peak intensity is at a green wavelength. Here’s why it doesn’t appear that way to us.

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