Where the Heck Does Wind Even Come From?

There are few things as refreshing as feeling the wind blow against your hair. There are few things as scary as violent winds smashing and crumbling a town. So what is wind? And where does it even come from?

PBS It's Okay to be Smart series answers that saying its air molecules bumping and bashing to create a force that makes pressure. But air pressure changes because of different temperature! And everything changes because the Earth rotates. It's a good brain exercise trying to wrap your brain around it. [PBS]


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