Tech

  1. drinking water
    Tech

    A new 2-D material uses light to quickly and safely purify water

    A newly designed material uses only light to speedily remove 99.9999 percent of microbes from water.

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  2. robot illustrations
    Tech

    Robots are becoming classroom tutors. But will they make the grade?

    Educational robots show promise for helping kids in the classroom or at home, but researchers are still figuring out how these bots should behave.

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  3. Artificial Intelligence

    Readers marvel at AI, space missions and wombat poop

    Readers had comments and questions about defining artificial intelligence, the New Horizons space mission and more.

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  4. Swallowable medical devices
    Health & Medicine

    Pills equipped with tiny needles can inject a body from the inside

    High-tech pills equipped with medicinal needles could administer painless shots inside the body.

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  5. Artificial intelligence
    Artificial Intelligence

    Artificial intelligence is learning not to be so literal

    Artificial intelligence is learning how to take things not so literally.

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  6. robot sitting at desk
    Humans

    Here’s what makes satire so funny, according to science

    Analysis of headlines from the satirical newspaper The Onion could help you — or a computer — write humorous news headlines.

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  7. illustration of laser hitting man's ear
    Physics

    Lasers could send messages right to a listener’s ear

    Communication in noisy environments or dangerous situations could one day rely on lasers.

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  8. delivery bot
    Artificial Intelligence

    A new AI training program helps robots own their ignorance

    AI systems struggle to know what they don’t know. Now scientists have created a way to help autonomous machines recognize their blind spots.

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  9. polite robot
    Artificial Intelligence

    This robot learned not to mess with other people’s stuff

    Ownership-respecting robots could soon understand the difference between chucking a Styrofoam cup and someone’s favorite mug.

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  10. reconstructed images
    Tech

    Ordinary cameras can now photograph out-of-sight objects

    Thanks to a new photo-analyzing computer program, a photographer’s line of sight no longer has to be a straight shot.

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  11. Talos and Medea
    Archaeology

    Our fascination with robots goes all the way back to antiquity

    In the book ‘Gods and Robots,’ a scholar recounts how early civilizations explored artificial life through myths.

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  12. nerve cells
    Neuroscience

    New ways to image and control nerve cells could unlock brain mysteries

    Methods that target single nerve cells in mice and fruit fly brains are starting to tease apart the brain’s complexity.

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