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LiveScience
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Heat-Sensitive Material Remembers Four Shapes
Posted: March 10th, 2010, 2:21pm EST
A new polymer can "remember" up to four different shapes, and revert to each one at different temperatures.img src="http://feeds.feedburner.com/~r/Livesciencecom/~4/KFhw0OikbPU" height="1" width="1"/