Instead of open-pit mines, tailings may become the primary source of feldspar and quartz in the future if the minerals can be selectively extracted from the waste. Researchers in China showed that hydroxypropyl starch can improve the flotation separation of feldspar and quartz.
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Researchers at Technische Universität Wien have developed a simple nanostructuring technique that can precisely control the electromagnetic behavior of glass–ceramic circuit boards.
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