Engineering Design
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TechTeens 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.
By Sid Perkins -
Materials ScienceA 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.
By Sid Perkins -
OceansTeen’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.
By Sid Perkins -
ComputingTeaching 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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EarthHow 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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LifeFleets 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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PhysicsAuto-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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EarthKeeping 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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EnvironmentCleaning 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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Science & SocietyShould 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.
By Ilima Loomis -
AnimalsFrog’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.
By Susan Milius -
PhysicsFather 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.