For millennia, humans have harnessed the power of wind. Wind fueled the boats of the Egyptians, the irrigation of the Babylonians, and the grain-grinding windmills of the Persians. Today ...

As long as the sun shines, the wind will blow. And wind has long served as a power source to humans. Ancient mariners used sails to capture the wind. Farmers once used windmills to grind their ...