Have you ever tried to learn more about some incredible thing, only to be frustrated by incomprehensible jargon? Randall Munroe is here to help. InThing Explainer, he uses line drawings and only the thousand (or, rather, “ten hundred”) most common words to provide simple explanations for some of the most interesting stuff there is, including:  food-heating radio boxes (microwaves)tall roads (bridges)computer buildings (datacenters)the shared space house (the International Spa