HomeUncategorizedHalf Tau Day and Spring Again Half Tau Day and Spring Again Leave a Comment / Uncategorized / By ErikMM Not that I need to re-post old posts, but it’s hard not to admire (half) tau (pie) day, and the circle of seasons as we head towards spring in the northeast. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)