Birds, bats and insects hold secrets for aerospace engineers

Natural flyers like birds, bats and insects outperform man-made aircraft in aerobatics and efficiency. University of Michigan engineers are studying these animals as a step toward designing flapping-wing planes with wingspans smaller than a deck of playing cards.

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<p><a href="http://www.physorg.com/news121358667.html">Birds, bats and insects hold secrets for aerospace engineers</a></p> <p>Natural flyers like birds, bats and insects outperform man-made aircraft in aerobatics and efficiency. University of Michigan engineers are studying these animals as a step toward designing flapping-wing planes with wingspans smaller than a deck of playing cards.</p>