If man takes flight, it's because the machines we've developed imitate the designs found in nature. The principles are explored in the Field Museum's most interactive exhibit, "The Machine Inside: ... more 
If man takes flight, it's because the machines we've developed imitate the designs found in nature. The principles are explored in the Field Museum's most interactive exhibit, "The Machine Inside: Biomechanics." less 
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CBS Local
Tue, Mar 25, 2014 9:08 AM EDT