There's just a tremendous amount of things. Fortunately,Elvis didn't throw away a whole lot of stuff,so here we are, and there are tens of thousands of items of his that are out there."

VOA: standard.2010.01.07

In other words, how much does the temperature of the whole thing change when you put an ordinary amount of material in there and run a reaction, right. Well, what do you do?

当你放入通常数量的材料,并进行反应时,整个装置的温度,改变有多少，你要做什么？

麻省理工公开课 - 热力学与动力学课程节选