A compendium of 100 words and phrases smart people use--even if they only kinda sorta (secretly don't) know what they mean--with pithy definitions and fascinating etymologies to solidify their meanings. Your boss makes a joke about Schrodinger's cat--which is something you've heard of but you're a little vague about what exactly happened (or didn't happen) with that cat. Or you're reading a New Yorker article that explains that...