The fans work by having the movement of air to create a breeze. This then has a cooling effect allowing one's skin to evaporate the sweat faster.To have a power on the fan using the simple electric motor, the fan's blades attached to the shaft and being attached to a central rotating hub then to the motor's rotating wire coil and for it to work to the motor's stationary magnet for it to run and turns the fan blades at different speed.