Eva, the first evaporation-powered vehicle, has a turbine engine that rotates as water evaporates from the walls of the engine (Photo by Xi Chen, Columbia University) Engineering Environment Physics Technology Videos 

Turning Evaporation into Electricity

By Kate S. The power of water has long been harnessed by humanity, but one part of the water cycle — evaporation — has been overlooked until now. Many scientists are experimenting with improved solar cells and biofuels, but Columbia University scientists have a new, noteworthy idea. They have announced the development of a novel device that turns evaporation into electricity. In fact, the small prototype generates enough electricity to power a lightbulb and the rotary engine that drives a miniature car. Energy from Evaporation When evaporation energy is scaled…

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