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.

  1. Tech

    Explainer: What is the electric grid?

    Most of us get electricity through a huge system of power lines and equipment that together are known as the electric grid. Here’s how it works.

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  2. Tech

    New eyewear could help the visually impaired

    Young inventors develop novel electronics to help people identify colors and navigate obstacles.

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  3. Computing

    Fingerprints could help keep kids from dangerous websites

    A teen develops a program that estimates age based on someone’s fingers

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  4. Science & Society

    Heating up the search for hidden weapons

    Using an off-the-shelf camera and an innovative bit of software, a high-school student developed the means to inexpensively detect a hidden weapon.

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  5. Tech

    Teens garner some $4 million in prizes at 2017 Intel ISEF

    Hundreds of teens collectively took home about $4 million in awards from the Intel International Science and Engineering Fair this week.

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  6. Computing

    LEDs offer new way to kill germs in water

    Growing ultraviolet-light-emitting diodes on thin, flexible sheets of metal holds promise for water disinfection and other applications.

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  7. Tech

    Star Trek technology becomes more science than fiction

    On Star Trek, the characters used devices that seemed wild, futuristic and impossible. But those sci-fi gadgets are inspiring real-world, useful inventions.

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  8. Psychology

    What makes a pretty face?

    Beautiful faces are symmetrical and average. Do we prefer them because this makes them easier for our brains to process?

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  9. Tech

    ‘Smart’ sutures monitor healing

    Coatings added to the threads used to stitch up a wound let researchers use electrical signals to monitor a wound’s healing — even one covered by a bandage.

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  10. Physics

    Scientists Say: Watt

    Say Watt? This is a unit used to measure the flow of energy being used.

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  11. Physics

    How to catch a gravity wave

    Physicists have just announced finding gravity waves. The phenomenon was predicted a century ago by Einstein’s theory of general relativity. Here’s what it took to detect the waves.

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  12. Physics

    Boom! Sounding out the enemy

    Armistice Day marked the end of the Great War. But what arguably won the war was acoustics — the science of sound. It allowed Allied troops to home in on and rout the enemy.

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