While researching my Lab Report memo I came upon 2 reports, “Power Generation from Airflow Induced Vibrations” by Abhishek Nayyar and “WIND TURBINE MECHANICAL VIBRATIONS” by W. Dixie Dean, I chose the Windmill as my technical device. Wind power and/or wind energy describes the process by which wind is used to generate electricity. Smaller turbines are usually used for applications such as battery charging for power aboard boats and even power traffic warning signals. Larger turbines are used to produce energy to a national power supply while selling any unused power back to the utility supplier through the electrical grid. An array of large turbines also known as wind farms are becoming increasingly important sources of sustainable renewable energy in a world depleting of fossil fuels.Wind turbines are used to convert the kinetic energy in the wind into mechanical power followed by a generator which can be used to convert said mechanical power to electricity. A wind turbine turns wind energy into electricity using the aerodynamic force from the rotor blades. Much like an airplane wing or helicopter rotor blade, when wind flows across the blade, the air pressure along one side of the blade is substantially lower. The difference in air pressure created along the two sides of the blade creates both lift and drag. The force of the lift is stronger than that of drag causing the rotor to spin. The rotor is connected to the generator either by shaft incorporating a series of gears (a gearbox) or directly ( this is called a direct drive turbine) that speed up the rotation and allows for a dimensionally smaller generator, This mechanical translation of aerodynamic force to rotation of a generator creates sustainable zero emission energy.