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. 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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  2. 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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  3. Space

    Scientists Say: Telescope

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

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  4. Tech

    You might someday ‘wallpaper’ your bedroom with this loudspeaker

    This thin, flexible and lightweight loudspeaker could reduce noise in loud spaces. It also might enable listeners to experience sound in new ways.

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  5. Tech

    A new audio system confuses smart devices that try to eavesdrop

    It works by playing soft, calculated sounds to help people protect their privacy from automatic speech-recognition systems.

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  6. Climate

    Coastal cities around the world are sinking, satellite data show

    Of 99 coastal cities studied, nearly one-third are sinking. This leaves coastal communities increasingly vulnerable to rising seas.

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  7. Animals

    Orb-weaving spiders use their webs like external eardrums

    Scientists discover that orb-weaving spiders listen with their legs, detecting sound vibrations that travel through their silken webs.

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  8. Physics

    Muons reveal the inner worlds of pyramids, volcanoes and more

    Tracking these subatomic particles can uncover surprising hidden structures.

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  9. Tech

    This sun-powered system delivers energy as it pulls water from the air

    The device not only produces electricity but also harvests water for drinking or crops. It could be especially useful in remote and dry parts of the world.

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