The Evolution of Wind Turbines

1st century AD Heron of Alexandria is credited with the invention of the windmill.  He harnessed the power of the wind to power an organ.  The windmill blades were attached to an axle that drove a set of pistons up and down to provide power to the organ. // // 9th century AD The Persians built vertical axis windmills that were probably used to pump water or to grind corn.  The vertical sails were most likely made out of reeds and wood.  The sails were in cased within a set of Read More »