Energy

  1. Health & Medicine

    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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  2. Materials Science

    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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  3. 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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  4. 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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  5. Computing

    Germs power new paper batteries

    New paper-based batteries rely on bacteria to generate electricity. These ‘papertronic’ power systems may be a safer choice for remote sites or dangerous environments.

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  6. Physics

    How to chill an object by sending its heat into space

    Researchers have designed a device that can cool an object by radiating its energy into outer space. Think of it as a solar panel in reverse.

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  7. Tech

    Speedy, springy robot ‘Salto’ catches some serious air

    A lightweight robot nicknamed “Salto” can bound from floor to wall and back. Such fast and agile bots may someday aid in search-and-rescue operations.

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  8. Computing

    Wind power gets downsized — but in a good way

    Two young scientists have developed ways to tap into wind power on a small scale.

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  9. Computing

    Star Trek technology becomes more science than fiction

    On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.

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  10. Computing

    Self-designed tattoos are fashionable technology

    Researchers have created do-it-yourself temporary tattoos. They’re a fashion-forward way to control electronic devices.

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  11. Physics

    Famous physics cat now alive, dead and in two boxes at once

    Splitting Erwin Schrödinger’s famous — and fictitious — cat between two boxes brings scientists one step closer to building quantum computers from microwaves.

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  12. Chemistry

    Nanowires could lead to super-long-lived battery

    Scientists have long been looking for ways to make rechargeable batteries that last forever. They now may be close. Their solution: gel-dipped nanowires.

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