Materials Science
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Materials Science
Color-tunable sunglasses
Engineers have developed sunglasses that can change from dark, filtering hues to clear—and back—at the flip of a switch.
By Janet Raloff -
Materials Science
Taken for a Spin
Considering silk from the spider's perspective may offer the best chance of replicating these creatures' tough threads.
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Materials Science
The New Black: A nanoscale coating reflects almost no light
A "carpet" of microscopic filaments sprayed onto a surface can prevent it from reflecting light, a potentially useful trait for technologies from solar cells to fiber-optic communications.
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Materials Science
Microstructures make a beetle brilliant
Engineers looking to make a variety of surfaces whiter and brighter could learn a few things from a lowly beetle.
By Sid Perkins -
Materials Science
Savvy Skins
Researchers are developing new coatings that incorporate multiple functions, offer chemical reactivity, or act in response to stimuli in the environment.
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Materials Science
Electrode Enhancements: New materials may boost fuel cell performance
Two teams have independently discovered ways to dramatically improve the materials used in the electrodes of fuel cells.
By Sid Perkins -
Materials Science
Dribble Quibble: Experiments find that new basketball gets slick
According to preliminary results from a study at a physics lab, a new basketball for professional players bounces less elastically, veers more when it bounces, and becomes more slippery when damp than does a leather ball.
By Peter Weiss -
Materials Science
A nanotechnology report card
Research on how nanotechnology affects human health and the environment must be expanded, a National Research Council report concludes.
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Materials Science
Rice-straw sweaters
Textile scientists have for the first time extracted from rice straw natural cellulose fibers that can be spun into yarn.
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Materials Science
Logos to Go: Hydrogel coatings provide removable color
A biodegradable coating could add a temporary splash of color to sports fields, buildings, or even people's bodies.
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Materials Science
Solid Information: Chemical composition can determine concrete’s durability
A new analysis reveals how damage progresses in concrete that's exposed to sulfate.
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Materials Science
Seeing the light
Researchers have developed a smart petri dish that signals cell death with intense light.