Scientists at Oxford University and The University of Sheffield have demonstrated that natural silks are a thousand times more efficient than common plastics when it comes to forming fibers. A report of the research is published this week in the journal Advanced Materials. The finding comes from comparing silk from the Chinese silkworm to molten high density polyethylene (HDPE) - a material from which the strongest synthetic fibers are made. The researchers used polarized light shining through a disk rotating over a plate to study how the fibers are formed as the two materials are spun.
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