"I can't change the direction of the wind, but I can adjust my sails to always reach my destination"
-Jimmy Dean
1. Windmills were first used in 2000 B.C.
2. Windmills first became popular in the Middle East 3. Windmills have a shorter wing spand and were meant for grinding grain and pumping water. Wind Turbines have less blades and are used for making clean energy. 4. Wind turbines are modern versions of windmills 5. To figure out the speed of wind, people use a unit of measure called a knot. |