Face the front of your pinwheel and blow directly at it. Imagine that the pinwheel is a wind turbine, and when it spins in this direction it is turning the energy of the wind into electrical energy.

Wind energy is generated by wind turbines. These machines can look like giant pinwheels, and their job is to turn energy from the wind into mechanical or electrical energy. Believe it or not ...

And particularly the cranes involved; remember, the heaviest bit of a regular pinwheel-style wind turbine is the generator right at the top of the tower. With these towers now reaching several ...