metalangel

Yeah I've been told that too, don't let the force of the air cause them to spin while you're cleaning. Over time the heat sinks and fans will get clogged with dust and you need to clean them.

My Macbook gets scorchio if you're playing a game on it, the bit by the vent and also some areas of the underside can get almost too hot too touch. But switch the game off and it's barely warm a minute later!