Thursday, July 4, 2019
This solar array expands itself at the right temperature – TechCrunch
Wouldn’t it be nice to have a solar panel that’s only there when the sun shines on it? That’s the idea behind this research project, which uses shape-shifting materials to make a solar panel grow from a compressed state to an expanded one with nothing more than a change in temperature. The flower-like prototype device is made of what’s called a “shape-memory polymer,” a material that can be 
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