A mathematical argument, is, after all, only organized common sense, and it is well that men of science should not always expound their work to the few behind a veil of technical language, but should from time to time explain to the larger public the reasoning which lies behind their mathematical notation.

George Darwin

Below are links to several blog posts that I wrote in graduate school. Read them with a spoonful of salt. I have not made any attempt to write these pages from an objective viewpoint, because something valueable is lost when opinions formed from personal experience are presented in a non-personal way.