Material generates power from water vapor

Publication: NBC News   Date: January 10, 2013   View Article

When scientist Mingming Ma interlocked two different polymers in hopes of creating a new type of electrode to stimulate atrophied muscles, he made something more powerful: an artificial muscle, or actuator, that can generate electricity by drawing on water vapor.

“The first time I synthesized this material, I put the film on my hand and I found it was just moving by itself,” the chemical engineer at MIT’s David H. Koch Institute for Integrative Cancer Research told NBC News. “That was very surprising, so I decided to find out why.”

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