Ferns provide model for tiny motors powered by evaporation

Scientists looked to ferns to create a novel energy scavenging device that uses the power of evaporation to move itself -- materials that could provide a method for powering micro and nano devices with just water or heat.

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<p><a href="http://www.physorg.com/news77470748.html">Ferns provide model for tiny motors powered by evaporation</a></p> <p>Scientists looked to ferns to create a novel energy scavenging device that uses the power of evaporation to move itself -- materials that could provide a method for powering micro and nano devices with just water or heat.</p>