BMW teams with MIT for self defrosting windshield

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BMW is sponsoring research at MIT to develop a self heating translucent polymer. The polymer would store solar energy that could be released days later by a small electrical current. The research is being conducted by MIT professor Jeffrey Grossman, graduate student Eugene Cho and postdoc David Zhitomirsky. They state the sotored energy can be released on demand by changing the chemical state of the polymer by introducing small jolts of electricity.