Energy

  1. Materials Science

    Self-powered surface may evaluate table-tennis play

    Scientists at the Georgia Institute of Technology built a 'smart' surface on which to play table tennis. It can track the location, speed and direction of the ball.

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  2. Planets

    Glass beads help scientists puzzle out how baby planets grow

    Researchers have mimicked the first stages of planet formation in the lab. All they needed were glass beads and a catapult.

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  3. Materials Science

    The future of crystal-based solar energy just got brighter

    Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.

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  4. Chemistry

    Explainer: What are acids and bases?

    These chemistry terms tell us if a molecule is more likely to give up a proton or pick up a new one.

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  5. Earth

    Explainer: Where fossil fuels come from

    Despite one oil company famously using an Apatosaurus as its logo, oil, gas and coal don’t come from dinosaurs. They do, however, come from a long time ago.

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  6. Animals

    Analyze This: Electric eels’ zaps are more powerful than a TASER

    Shocking! A biologist reached his hand into a fish tank and let an electric eel zap him. It let him measure precisely how strong a current it could unleash to defend itself.

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  7. Physics

    Explainer: Quantum is the world of the super small

    The word quantum often gets misused. What does it mean? Think small. Really, really small.

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  8. Physics

    Disabilities don’t stop these experts in science and tech

    People with disabilities are as varied as the careers some of them pursue in science, technology, engineering and math.

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  9. Physics

    Scientists Say: Acoustic

    Acoustic is an adjective used to describe something involving sound. It’s also a noun that refers to the branch of physics that studies sound.

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  10. Tech

    Teen’s invention could help light up bikes at night

    A teen researcher from Georgia has developed a light that could replace reflectors on bike wheels. Flexing tires provide all the power it needs.

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  11. Physics

    Why your shoelaces untie themselves

    High-speed video shows how the combined motions of a shoe’s swinging and landing on the ground provoke shoelaces to come untied.

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  12. Animals

    Cool Jobs: A world aglow

    Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.

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