You take your seat around a campfire, and the smoke from it makes its way toward your face. You move around to the other side, and the smoke follows you. Someone will say, “Smoke follows beauty!” just to make you feel better. When this happens at fire after fire, you start to say he magic phrase first yourself, although you have to act like it’s a joke. But is the smoke really following you around, or is it your imagination? Hank Green explains the scientific forces at work in great detail, but manages to make it interesting anyway. Now what I really want to know is why smoke follows me around, but doesn’t follow the next person. Oh well, at least it discourages mosquitos. And suddenly I have a new summer project- adding an air flow to the fire pit in my backyard. The last minute of this video is an ad. -via Laughing Squid
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