Tech
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ChemistryBatteries should not burst into flames
Because lithium-ion batteries power modern life, they need to store a lot of energy. Now scientists are focusing on making them safer.
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Science & SocietyFrom buses to low-cost internet: Creative paths to online access
From loaner computers and ‘shared’ or reduced-cost internet, U.S. schools and companies are bringing the internet to social-distancing students.
By Janet Raloff -
Science & SocietyBefore working on spacecraft, this engineer overcame self-doubt
Tiera Fletcher once dreamed of working on spacecraft. Gaining confidence helped her become an engineer who designs vehicles for moon or Mars travel.
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PlantsLet’s learn about the future of food
Technology and a warming world will change what you eat and how it gets to your plate.
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SpaceLet’s learn about satellites
Satellites, from the moon to those that provide GPS, encircle the Earth. Learn more about them with this collection of stories.
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ChemistryNew spray gel moves drugs deep to treat frostbite
New gel spray sends healing ingredients deep into frostbite injuries to promote healing.
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Archaeology3-D printing helps resurrect an ancient Egyptian mummy’s voice
A 3-D printed mold of a mummy’s vocal tract reveals what the mummy may sound like today.
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ChemistryHelp for a world drowning in microplastics
Microplastic pollution in our oceans and lakes is a problem. Scientists are testing solutions — from more biodegradable recipes to nanotechnology.
By Sharon Oosthoek and Maria Temming -
Materials ScienceSelf-powered surface may evaluate table-tennis play
Scientists at the Georgia Institute of Technology built a 'smart' surface on which to play table tennis. It can track the location, speed and direction of the ball.
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Health & MedicineViewing virtual reality of icy landscapes may relieve pain
Traveling to polar vistas via virtual reality eased a temporary burning in the viewers’ skin. The same VR also lessened simulated chronic pain.
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ComputingHow math makes movies like Doctor Strange so otherworldly
In the 1970s, a mathematician introduced geometric patterns that he named fractals. Moviemakers are now using those patterns to create dazzling digital effects.
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Materials ScienceThe future of crystal-based solar energy just got brighter
Researchers have upped the efficiency of layered solar cells that could be printed or painted onto surfaces. Now they are working to make them more rugged.