As hot air rises, cooler air moves in to fill the void. 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 ...

What Makes the Wind Blow explains the fundamental forces behind wind and air movement using real-world and laboratory demonstrations. The film shows that wind is caused by differences in air pressure, ...

Researchers from Portland State University claim to have developed a method of raising solar plant energy yield ... consider predominant wind direction and sub-panel flow when designing projects.