Paper Stronger Than Cast Iron

All paper is made of cellulose, which at the nanoscale level is quite strong, but paper processing makes large, fragile fibers that break easily. Researchers in Sweden have have come up with a manufacturing process that keeps the fibers small, resulting in nanopaper with over 1.6 times the tensile strength of cast iron (214 megapascals vs 130 mPa). And since cellulose is the most abundant organic compound on the planet, it’s cheap to use compared to other exotic, expensive-to-produce options — such as carbon nanotubes — via Slashdot

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