Physics

  1. Physics

    Powering ball lightning

    A new study might help explain what fuels bouncing balls of fire that occasionally form in nature.

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  2. Physics

    Diamond glow

    Rare diamonds that glow in the dark may help scientists distinguish real gems from fake ones.

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  3. Physics

    Explainer: How a synchrotron works

    Giant magnets direct superfast light into beams up to 30 million times as bright as those produced by a laser pointer.

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  4. Tech

    Big Machine Reveals Small Worlds

    A football-field-sized machine is giving researchers insight into medicine, forensics, and even chocolate.

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  5. Physics

    Road bumps

    Scientists have discovered why dirt roads develop ridges that make for a bumpy ride.

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  6. Animals

    Cacophony acoustics

    How do frogs hear each other in a noisy pond? Just the way we would, as it turns out.

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  7. Tech

    A New Basketball Gets Slick

    Sweat seems to make a new basketball for professional players more slippery.

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  8. Tech

    Space umbrellas to shield Earth

    A swarm of small spacecraft could help protect Earth from the sun's rays.

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  9. Tech

    Switchable Lenses Improve Vision

    Special lenses that automatically focus can help people wearing eyeglasses see more clearly.

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  10. Physics

    Snowflakes and avalanches

    To protect people from avalanches, researchers are taking a close look at snowflakes and the snowpack.

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  11. Physics

    A butterfly’s electric glow

    The brilliant color of some butterfly wings comes from tiny scales that absorb and give off light in a special way.

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  12. Physics

    Earth’s lowly rumble

    From rumbling volcanoes to grumbling elephants, scientists are eavesdropping on the lowest sounds on Earth.

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