Dual-energy harvesting device, true one-way glass, and other materials stories that may be of interest for February 21, 2024.
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Materials scientists often use grain size as the determining variable when correlating a ceramic’s structure with its properties. But the morphology and orientation of the grains can also significantly affect a material’s properties. Researchers in China developed a framework that can correlate a material’s structural hierarchy with its properties, and their latest paper explores the potential of linking this framework to Vickers hardness.
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When grain sizes in ceramics become critically small, ceramics can appear to soften. Researchers led by the University of California, Davis, show this false impression is due to an extensive network of nanocracks caused by increased grain boundary energy.
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A team from the University of Wisconsin-Madison has discovered a way to charge your smartphone battery even when you’re away from your charger.
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