Engineers detail bird feather properties that could lead to better adhesives, aerospace materials

You may have seen a kid play with a feather, or you may have played with one yourself: Running a hand along a feather's barbs and watching as the feather unzips and zips, seeming to miraculously pull itself back together.
That magical zipping mechanism could provide a model for new adhesives and new aerospace materials, according to engineers at the University of California San Diego. They detail their findings in the Jan. 16 issue of Science Advances in a paper titled Scaling of bird wings and feathers for efficient flight.

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