Cortes cortÃ©s set out to rule. Them during the march Through, mexico he encountered a group of natives called The, tlaxcalans who were enemies of The. Aztecs they became an important ally For cortes cortÃ©s during his Siege, of Tenochtitlan tenochtitlÃ¡n the. aztec capital city
The World's Biggest Wind Turbine Blades Are So Long Their Tips Spin at 180 MPH. For off-shore wind farms to become an economically feasible alternative energy source, each turbine needs to be big. Like, really big. That's why the latest turbine blade from Siemens is giganticâjust a hair shorter than the wingspan of an Airbus 380.
What is wind energy? Wind energy is generated by harnessing the wind and is the worldâs fastest growing energy source. Itâs becoming more important for electricity companies to use wind energy as itâs a renewable and free resource.ach wind turbine has an internal computer system that monitors the direction and speed of the wind, and allows it to automatically set itself to operate at a safe level. If there is any damage to the turbine due to overcapacity (wind speed and strength), the turbines shut down automatically.