Engineering Design

  1. Microbes

    Plant extract mutes germs to fight infections

    A plant extract prevents the aggressive behavior seen in some germs. Using it could fight the development of most bladder infections, a teen’s research suggests.

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  2. Earth

    To study a geyser, these teens built their own

    Fascinated by geysers but unable to see one? These teens decided to build their own. It allowed them to study how temperature and pressure make the water spew into a founta.

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  3. Tech

    Maybe ‘shade balls’ should not be balls

    So-called shade balls have a range of uses in water reservoirs, from cutting evaporation to reducing the growth of algae. But the best performers might not actually be balls, a Florida teen now shows.

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  4. Health & Medicine

    Are fidget spinners tools or toys?

    Fidget spinners are all the rage. Therapists say toys such as these can help some kids calm down and pay attention.

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  5. Physics

    Physics guides teen in search for which bike tire is best

    Mountain bikes have lots of options, including the size of the wheels. The choice a rider makes when buying a bike can affect how fast they can go.

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  6. Health & Medicine

    A light-filled box could blast bacteria from lab coats

    Doctors can pick up bacteria on their lab coats. A teen has designed a special light-filled box to keep those coats from infecting others with those germs.

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  7. Tech

    Teen’s invention could help light up bikes at night

    A teen researcher from Georgia has developed a light that could replace reflectors on bike wheels. Flexing tires provide all the power it needs.

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  8. Health & Medicine

    This mix turns pink when sunscreen wears thin

    Many people know to put on sunscreen. Remembering to put more on is harder. A teen invented an indicator that glows pink when it’s time to reapply.

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  9. Tech

    Tweaked germs glow to pinpoint buried landmines

    Finding landmines could become much safer with a new technology. It uses genetically modified bacteria that glow under laser light.

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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. Tech

    A better way to stop a bullet?

    A teen researcher's tests suggest that fabric body armor might stop bullets better if it were woven using a three-fiber, triangular mesh instead of the typical two-fiber-mesh configuration.

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  12. Tech

    Teen’s invention can warn of deadly rip currents

    A teen lifeguard from Australia has invented a buoy that can alert swimmers to the strong, swift and deadly rip currents that can sweep them dangerously far offshore.

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