Chemistry
Batteries 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.
MS-ETS1-2
Evaluate competing design solutions using a systematic process to determine how well they meet the criteria and constraints of the problem.
More Stories in MS-ETS1-2
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Health & MedicineSearch speeds up for vaccine against the new coronavirus
Scientists are investigating unusual ways to make drugs to prevent viral infections. One may even be able to treat already sick people.
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Science & SocietyDo school-shooter drills hurt students more than they help?
There’s no set standard for shooter drills held at most U.S. schools. Experts are beginning to ask whether certain drills might hurt students more than they help.
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Materials ScienceNew twist can hush — even cloak — some sounds
Swiss engineers developed clear, spiral structures to make a new sound-dampening system. Those twists block some vibrations and lets others through.
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MathColor-changing fibers help unravel a knotty problem
Experiments with colorful fibers helped scientists discover a few simple rules on why the strength of various types of knots differs.
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Materials ScienceHere’s how to hide some objects from heat-sensing cameras
A special coating that conceals temperature information from heat-detecting cameras might someday be used as a privacy shield.
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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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PhysicsGiving Notre Dame back her unique voice
A 2019 fire robbed Paris’ Notre Dame cathedral of more than her roof. She also lost her voice. Now scientists are using acoustics to return her unique soundscape.