Everybody knows about absolute zero, but what about the other end of the spectrum, absolute infinity, as it begs to be called? As you might be able to guess, there's a lot more room to go hotter than there is to go colder, but there still has to be some sort of limit, right?

Kinda-sorta. Once you really start getting up there, the rules can start getting pretty weird, as Vsauce explains in this fascinating video. Get ready for some temperatures that would melt your mind, and then melt the atoms it's made out of. [YouTube]