[ad] Instructions to build your own windmill. Windmills are rather simple machines powered by wind energy. Wind turbines make use of wind to turn rotating blades. In earlier times, windmills were used to produce energy to grind grain and pump water. Nowadays, windmills are used to turn wind energy into usable (electricity) energy by making use of its rotating blades. Windmills which created centuries ago can be constructed with a set of simple tools, materials and know-how. Today’s windmills are very high tech and are made from ... Read More