Physics
A new magnetic swirl, or skyrmion, could upgrade data storage
Magnetic whorls in a new type of material could be easier to control than their predecessors.
Materials Science
More Stories in Materials Science
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ChemistryPlant-based fire retardants may offer a less toxic way to tame flames
Flame retardants created from plant materials could be less harmful to the environment than traditional flame-smothering chemicals.
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PhysicsScientists seek materials that defy friction at the atomic level
Scientists investigate superslippery materials and other unusual friction feats.
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Materials SciencePermanent liquid magnets have now been created in the lab
Magnets that generate persistent magnetic fields are usually solid. But new little bar magnets have the mechanical properties of liquids.
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Materials ScienceLatest claim of turning hydrogen into a metal may be the most solid yet
If true, the study would complete a decades-long quest to find the elusive material. But such claims have been made prematurely many times before.
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Materials Science50 years ago, bulletproof armor was getting light enough to wear
In 1969, bulletproof armor used boron carbide fibers. Fifty years later, bulletproof armor is drastically lighter and made from myriad materials.
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ChemistryHow seafood shells could help solve the plastic waste problem
Chitin and chitosan from crustacean shells could put a dent in the world’s plastic waste problem.
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Materials ScienceA new graphene foam stays squishy at the coldest temperatures
Researchers have now made a material that is superelastic even at extremely cold temperatures, which could be helpful in space.
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Materials ScienceBacteria can be coaxed into making the toughest kind of spider silk
Lab-altered bacteria have made a copy of a spider’s strongest silk strands, which could one day be used to make more sturdy materials.
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PhysicsHow droplets of oil or water can glow vibrant colors
Viewed from various angles, tiny droplets of water or oil glow different colors under white light.