Tech

  1. Tech

    A tool as small as a human cell can scan for contaminants and more

    Tiny spectrometers might someday show up on smart devices. They could help people scan for ingredients or contaminants in foods and other materials.

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  2. Tech

    A shape-shifting robotic tooth-cleaner might one day brush for you

    A swarm of billions of magnetic, bacteria-killing nanoparticles can be shaped into bristles to fit any surface, including between teeth.

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  3. Tech

    How to turn your hobby into a seriously cool science project

    This year’s Broadcom MASTERS finalists were inspired by their love of painting, horseback riding and other pastimes.

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  4. Life

    Let’s learn about modern Frankensteins

    Modern scientists are creating strange new combinations of living tissue and trying to give dead things new life.

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  5. Space

    NASA’s DART spacecraft successfully bumped an asteroid onto a new path

    The spacecraft’s intentional crash into an asteroid changed the space rock’s orbit by more than 30 minutes — far more than expected.

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  6. Tech

    Can computers think? Why this is proving so hard to answer

    In 1950, Alan Turing proposed a test to tell a human from a computer. Today, that Turing test may tell us more about ourselves than about machines.

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  7. Tech

    NASA’s DART spacecraft crashed into an asteroid — on purpose

    This mission could provide a blueprint for how to deflect a killer asteroid, if one is ever found headed for Earth.

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  8. Space

    Scientists Say: Telescope

    Almost everything we know about the universe around us, we know thanks to telescopes.

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  9. Tech

    No trees were harmed to 3-D print this piece of wood

    How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.

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  10. Tech

    Welcome to the metaverse

    The idea of the metaverse comes from science fiction. But technology could make such immersive virtual worlds a reality.

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  11. Tech

    Scientists Say: LED

    LEDs, or light-emitting diodes, light up TV screens, traffic lights and many other devices used in daily life.

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  12. Tech

    New stick-on ‘sonar’ device lets you watch your own heart beat

    This wearable patch might one day make personalized medicine affordable almost anywhere in the world.

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