Tech

  1. Tech

    Bye-bye batteries? Power a phone with fabric or a beacon with sound

    New piezoelectric systems produce electricity in unusual ways, such as when a certain nylon bends or underwater ceramics vibrate.

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  2. Math

    Scientists Say: Algebra

    Algebra is a type of mathematics that studies symbols and how they can be shifted around.

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  3. Tech

    Tracking Santa with science

    Santa may be magical. But the North American Aerospace Defense Command (or NORAD) uses science to track his journey.

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  4. Tech

    Flexible devices may help clothes solar power your screens

    A fluorescent polymer duo boosts the efficiency of solar cells. One day this material may coat your jacket, hat or backpack to provide power on the go.

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  5. Tech

    New device tells smiles from frowns — even through a mask

    Most facial-recognition software has to see the whole face to work. The new type can reconstruct an entire expression from just viewing your cheeks.

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  6. Tech

    Let’s learn about virtual reality

    Scientists use virtual reality to build new games and to help people fight their fears.

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  7. Tech

    This artificial skin feels ‘ghosts’ — things you wish were there

    Engineers have developed a wearable device that simulates the sense of touch. It may benefit robotic surgery and deep-sea exploration.

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  8. Computing

    Explainer: What is an algorithm?

    These step-by-step instructions underlie social media, internet searches and other computer-based activities. But what are they exactly? We explain.

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  9. Tech

    Computers are changing how art is made

    Some people have challenged the idea that artificial intelligence can be creative. But new software can provide inspiration to artists or fully partner with them in the creative process.

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  10. 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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  11. Tech

    ‘Frozen smoke’ could protect electronics from annoying static

    A fluffy material made from cellulose nanofibers and silver nanowires can protect electronic devices by blocking more than 99.99 percent of disrupting interference, a new study reveals.

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  12. Space

    Surviving Mars missions will take planning and lots of innovation

    Astronauts that go to Mars will need protection from microgravity and radiation, plus mini-medical devices to diagnose problems and manage emergencies.

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