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. Materials Science

    Here’s how to hide some objects from heat-sensing cameras

    A special coating that conceals temperature information from heat-detecting cameras might someday be used as a privacy shield.

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  2. Physics

    Here’s how quantum mechanics lets heat cross a vacuum

    Heat can move across a vacuum if the span is small enough. As in really, really small. In a new experiment, the gap was only a few hundred nanometers.

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  3. Archaeology

    Ancient Egyptian mummy tattoos come to light

    A range of markings discovered on female mummies are challenging ideas about tattoo traditions in ancient Egypt.

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  4. Brain

    Sleep may jumpstart the brain’s power washing system

    Waves of fluid wash into the human brain during sleep. That’s good. They just may help clean out toxic proteins.

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  5. Health & Medicine

    Explainer: What is ultrasound?

    These sound waves, which fall above the range of human hearing, are important in medicine, medical imaging and more.

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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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