Penn molecular scientists develop color-changing stress sensor


Related images(click to enlarge) It is helpful — even life-saving — to have a warning sign before a structural system fails, but, when the system is only a few nanometers in size, having a sign…

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Rare coupling of magnetic and electric properties in a single material


Researchers at the U.S. Department of Energy’s Brookhaven National Laboratory have observed a new way that magnetic and electric properties — which have a long history of ignoring and counteracting each other — can coexist…

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