Engineering Design

  1. Tech

    Teaching robots right from wrong

    Robots of the future will face tricky dilemmas. Researchers are working on tools to help robots make the right choices and keep people safe.

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  2. Planets

    How Earth got its moon

    How did our moon form? Scientists are still debating the answer. It may be the result of some one big impact with Earth — or perhaps many small ones.

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  3. Tech

    Fleets of flying robots could pollinate crops

    Tiny flying drones use patches of sticky hair to capture pollen. One day they might join bees in pollinating crops.

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  4. Tech

    Auto-focus eyeglasses rely on liquid lenses

    Engineers have designed what could be the last eyeglasses anyone would need. Right now, they’re bulky but smart. Liquid lenses are key to their adjustability — and those lenses focus automatically.

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  5. Earth

    Keeping space missions from infecting Earth and other worlds

    Scientists are always looking for ways to stop Earthly microbes from polluting other planets. The same goes for bringing bits of other planets back to Earth.

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  6. Environment

    Cleaning up water that bees like to drink

    Plant roots suck up pesticides used on soils, then release them into water that can seep from their leaves. This is a sweetened water that bees love to sip. A teen figured out how to remove most of the pesticide with bits of charcoal.

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  7. Science & Society

    Should we call out to space aliens?

    Scientists have been listening to space for decades, hoping to pick up alien signals. Now some have proposed we try broadcasting a welcome call.

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  8. Animals

    Frog’s gift of grab comes from saliva and squishy tissue

    What puts the grip in a frog’s high-speed strike? Quick-change saliva and a super-soft tongue, scientists find.

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  9. Tech

    Father and son harness magnetic fields for new type of 3-D printing

    A dad and his son have developed a new 3-D printing method in their basement. It harnesses pulsed magnetic fields to build metal objects one tiny aluminum drop at a time.

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  10. Animals

    Cool Jobs: A world aglow

    Three scientists probe how the natural world makes light, in hopes of using this information to design new and better products.

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  11. Microbes

    Teen invents a dip to keep germs away

    A teen competing in the 2017 Regeneron Science Talent Search invented an eco-friendly chemical mix. It should keep bacteria from growing on treated paper, fabrics — including wound coverings — and more.

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  12. Tech

    Scientists turn toy into valuable tool for medical diagnosis

    A human-powered ‘paperfuge,’ inspired by a toy, could serve as an easy, low-cost way to aid in medical diagnoses, even in regions of the world lacking access to electricity.

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