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October 31, 2012 04:54 pm PDT

What makes wind?

It can be a nice breeze, or a destructive storm, but either way wind is just moving air. And moving air is just moving molecules. In an explainer for kids that's actually pretty helpful for grown-ups, too, Matt Shipman reminds us that the air around us isn't totally weightless. It weighs something, because molecules all [...]


Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/NHhNsI3Elns/what-makes-wind.html

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