I'm writing another Mathematical Enchantments essay and would welcome comments; see https://mathenchant.wordpress.com?p=344&shareadraft=56709c7eb1189 Keep in mind that all comments submitted via Wordpress are anonymous unless you specifically include your name in your comment. (You can also reply by email.) Do any of you know how to create "hover-notes" in Wordpress? I want to set things up so that if somebody moves their mouse to the phrase "the G-number", they'll see a message saying "Nobody actually calls Graham's number