did yoever read the book by ray bradbury called fahrenheit 4? yes. that 451 is what? that's the temperature in fahrenheit degrees at which paper burns. that was about a book-burning book, yeah? watch this, gang. fire city. that thing is burning up. look at that all right. okay. why with the wood but not with the metal? neighbor time, neighbor time. okay. what would be the answer, gang? heat transfer is-- most of the energy here went to what, the paper or the metal? metal. the metal. how much was left in the paper? none. and before i can get the paper up to 451, i've got to make that very, very good conductor back there at 451, too. and that takes a lot and lot of energy to do. and so you didn't see the paper ignite. it never got to 451. this is considerably more than 451 degrees, considerably more. when i wrapped it around the wood, look the wood is all scarred now. look at that. you saw the paper light up why? because i didn't have to heat up all the wood to 451, just the surface. see? just the surface. and it--right up easily. but around--on a piece of meta all the