Slippery Material System Can Start, Stop Liquids
News 4/17/2013 14 comments A new material system invented by researchers at Harvard's Wyss Institute for Biologically Inspired Engineering is continuously "tunable" for transparency and wettability: it repels water or oil to a greater or lesser degree as it becomes more or less transparent.
Can EV Batteries Last 20 Years?
News 4/12/2013 45 comments Lithium-ion batteries for electric cars may last far longer than we’ve been led to believe, a battery expert told the American Chemical Society in a speech this week.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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