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(Jon sez:) 
Smart materials are capable of sensing changes in their environment and in some way reacting to the changes to take an action which is necessary or useful. Smart material devices which are currently being researched include performance-enhancing
exoskeletons, aircraft that can change the shape of their wings, and single-crystal piezoelectric actuators.
The preceding sentence sounds like science fiction, frankly, but that's part of living in the twenty-first century. |
(Mark sez:) 
Reply hazy, ask again later.
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