MS-PS1-3
Gather and make sense of information to describe that synthetic materials come from natural resources and impact society.
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Materials ScienceTeen’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.
By Sid Perkins -
MicrobesTweaked 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.
By Dinsa Sachan -
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 -
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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AnimalsCool 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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PhysicsHow to chill an object by sending its heat into space
Researchers have designed a device that can cool an object by radiating its energy into outer space. Think of it as a solar panel in reverse.
By Sid Perkins -
ChemistryHow to spin synthetic spider silk
A new method for spinning artificial spider silk combines parts of proteins from two species and mimics what happens in a spider’s silk-forming gland.
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ComputingHow to build computer chips only 3 atoms thick
Scientists have engineered an ultrathin material only three atoms thick. The material could be used to make extremely slender computer chips.
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ComputingLEDs 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.
By Sid Perkins -
PhysicsWeird physics warps nearby star’s light
Scientists have observed a bizarre effect of quantum physics in light coming from a nearby neutron star.
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ChemistryFingers leave tell-tale clues about you on your phone
Analyzing chemicals on a cell phone tells researchers what the caller had been up to. That includes recent meals and where they'd been.
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Materials Science3-D printers offer better way to make some magnets
3-D printers produced magnets as strong as conventional ones with less material wasted.