Yet another great mathematical-result-explained-for-the-non-specialist piece by @EricaKlarreich:
(My 2020 wish: the @NYTimes decides to have a Numeracy Editor, offers her the job, and she takes it. Low chance, but one can hope? https://www.rants.org/2019/04/proposing_a_numeracy_editor/)
@LukeAlmighty ISTR this is one of the weirder Ramanujan results, or is similar to one of them? @nina