Polymer film could be used in artificial muscle and to power micro- and nanoelectronic devices.

January 10, 2013
Anne Trafton, MIT News Office

“MIT engineers have created a new polymer film that can generate electricity by drawing on a ubiquitous source: water vapor.

The new material changes its shape after absorbing tiny amounts of evaporated water, allowing it to repeatedly curl up and down. Harnessing this continuous motion could drive robotic limbs or generate enough electricity to power micro- and nanoelectronic devices, such as environmental sensors.”

See the full article here.

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