HS-PS4-5

Communicate technical information about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.

More Stories in HS-PS4-5

  1. Physics

    A new tool shows tiny changes in the ’24-hour’ length of a day

    An underground instrument known as ‘G’ uses laser beams to measure Earth’s rotation — a gauge of day length — with extreme precision.

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  2. Planets

    In a first, astronomers spot the aftermath of an exoplanet smashup

    Infrared light from a distant star appears to be leftovers of an impact between a pair of Neptune-sized worlds.

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  3. Tech

    Nanobots can now enter brain cells to spy on what they’re doing

    Fleets of advanced versions may one day be able to detect disease and then go about surgically treating it — without ever opening the skull.

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  4. Tech

    Scientists Say: Fiber optic cable

    Whether you’re reading these words on a phone, computer or other device, you may have fiber optic cables to thank.

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  5. Tech

    Gravity ‘batteries’ might help a weighty renewable-energy problem

    To store the energy generated by wind and solar power, researchers are looking at mammoth systems that raise and lower weights.

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  6. Computing

    A single chip like this could transmit a world’s worth of data

    The internet has a big environmental footprint. But this new type of tech could help reduce the climate impact of computing.

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  7. Computing

    Sleep helps AI models learn new things without forgetting old ones

    Breaks in training meant to mimic human sleep helped artificial intelligence learn multiple tasks.

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  8. Computing

    Scientists Say: Artificial intelligence

    Artificial intelligence is technology smart enough to do tasks that would normally require human brainpower.

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  9. Tech

    Will the internet soon reach the one-third of people without it?  

    Access to the internet is a human right, yet much of the world can’t get online. New tech has to be affordable and usable to end this digital divide.

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