Energy

  1. Tech

    Ordinary paper turns into flexible human-powered keypad

    Engineers have figured out how to turn sheets of paper into rugged, low-cost electronic devices, such as a computer keypad.

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  2. Climate

    Let’s learn about solar power

    Solar power is a way to harness energy from the sun, and lessen our reliance on fossil fuels.

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  3. Science & Society

    Batteries not included: This Game Boy look-alike doesn’t need them

    Game Boy revolutionized the gaming industry. A newer version could help slow the rate of climate change.

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  4. Tech

    Trees power this alarm system for remote forest fires

    Wind moving through tree branches is all the energy needed to power devices that can detect a remote fire before it rages into an uncontrolled inferno.

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  5. A dirty and growing problem: Too few toilets

    As the famous book says, everybody poops. That’s 7.8 billion people, worldwide. For the 2.4 billion with no toilet, the process can be complicated.

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  6. Health & Medicine

    Here’s how COVID-19 is changing classes this year

    To keep students and teachers safe from COVID-19, some things in the classroom are changing — and sometimes entire schools are being kept closed.

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  7. Materials Science

    Will bacterial ‘wires’ one day power your phone?

    An accidental discovery helps scientists generate electricity out of thin —but humid — air with bacteria-made protein nanowires.

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  8. Physics

    A contrast between shadows and light can now generate electricity

    A new device exploits the contrast between bright spots and shade to produce a current that can power small electronics.

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  9. Earth

    Newfound ‘dunes’ is among weirdest of northern lights

    There’s a new aurora dubbed the 'dunes.' It’s weird and joins the ranks of black auroras, STEVE and other odd natural light shows.

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  10. Physics

    There’s science to making great fried rice

    Scientists report finding the physics that seems to explain how chefs can quickly fry rice over a hot flame without burning the food.

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  11. Physics

    How to temporarily ‘fossilize’ a soap bubble

    Here’s how to freeze a soap bubble in midair. Warning: The environment needs to be frosty, and even then it can take a certain amount of trial and error.

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  12. Materials Science

    Here’s how to hide some objects from heat-sensing cameras

    A special coating that conceals temperature information from heat-detecting cameras might someday be used as a privacy shield.

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