Q: please explain popcorn
A: the corn is filled with fluff, and when the fluff gets too hot it pops out of the corn. hot fluff. science is working very hard to figure out how to produce the hot fluff without the corn, but the problem is, even after it's popped, the corn serves a purpose: it keeps the fluff from expanding even more. without the corn, the fluff would actually keep expanding and engulf the entire universe