Introduction Have you ever played with a toy pinwheel—or seen larger real-life versions, such as a windmill or wind turbine? Have you wondered why they look the way they do—with multiple blades, ...

Introduction Wind energy is becoming more and more popular across the U.S.—maybe you’ve even seen a wind farm close to where you live! In 2015 approximately 7 percent of the electricity used in the ...

How fast is the wind blowing where you live? As we see on “Weather Hunters,” meteorologists use a tool called an anemometer to measure wind speed. Anemometers work because they have arms with cup-like ...