Renewable energy from evaporating water (w/ Video)

The "moisture mill" is a new kind of turbine engine that turns
continuously as water evaporates from the wet paper lining the walls of
the engine. Credit: Joe Turner Lin

"An immensely powerful yet invisible force pulls water from the earth to the top of the tallest redwood and delivers snow to the tops of the Himalayas. Yet despite the power of evaporating water, its potential to propel self-sufficient devices or produce electricity has remained largely untapped—until now."

Read more at: http://phys.org/news/2015-06-renewable-energy-evaporating-video.html#jCp