What Makes Wings Work?

Researchers at New York University are studying flight with a speaker, a soup pot, straws and a box full of paper aircraft. Emeritus professor Stephen Childress describes the experiment and what he and his colleagues have learned about flight from their homemade flying objects.

Source: http://www.npr.org/2011/12/16/143847293/what-makes-wings-work?ft=1&f=1007

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