That takes care of the wind and water aspects, but how did we get solar ... The post talks about how a fan and a turbine are the same devices. It also uses a motor as a generator.

After some painstaking work, he was able to turn a ceiling fan into a wind turbine (of sorts). While it’s true that some generators and motors can be used interchangeably by reversing the flow ...

French engineering firm Eole Water has developed a wind turbine that can produce 1,000 liters of clean drinking water every day by filtering and collecting moisture out of the air. Seeing how the ...