Der Versuch einer physikalischen Erklärung dieses „Phänomens“, das eigentlich keins ist.
And the real key to understanding why smoke keeps blowing in your face is that the rising air doesn’t just rise on its own. It is pushed by the air around it. Because when hot air moves away from the fire, the air that pushed it keeps right on going and fills the gap that the hot air left behind. And this is where you come in.
(Direktlink, via BoingBoing)