Many math teachers have a hands-on approach to their subject, but those hands aren't usually covered in finger paint. Scott Goldthorp, however, sometimes teaches messy math classes.
Image: Design Shack In the current issue of the Association for Women in Mathematics newsletter (password required), Anne Carlill asks where the female mathematicians are on Twitter: "I found that the only female mathematicians or math educators I followed were Nalini Joshi in Sydney and Fawn Nguyen in California.
SOS, 181418, appears starting at the 1,377,767th digit of pi. Image: xkcd. Today I have a piece in Slate about that pi meme that's been going around.
There's a contest going on right now that could reward you for letting your geek flag fly. Spoonflower, a fabric design website, is hosting a "geek chic" design contest that closes April 23.
7 × 13 pieces of beach glass found on the shore of Lake Michigan and arranged on my coffee table. Rather appropriately, April 1st is the 91st day of the year, at least in non-leap years such as 2013.
The opening tip of the 2012 NCAA women's basketball championship game, played April 3, 2012. My Baylor Lady Bears, led by #42 Brittney Griner and #0 Odyssey Sims, defeated Notre Dame 80-61.
A variety of pies celebrating the number pi. Source: flickr/djwtwo. On the one hand, I like Pi Day because I get to eat pizza and/or pie, and I like things that get people excited about math, but on the other hand, I'm an adult, and I get to eat pizza and/or pie whenever I want, Pi Day or no.
Last year, in the inaugural Flame Challenge, Alan Alda and the Center for Communicating Science at Stony Brook University challenged scientists to explain what a flame is to an 11-year-old.
Wrong in Public is a new, hopefully very occasional, series on Roots of Unity. I don't like being wrong in public, but sometimes I make a mistake in a post, and sometimes mistakes are interesting.
A four-coloring of most of Europe. The 4-color theorem is fairly famous in mathematics for a couple of reasons. First, it is easy to understand: any reasonable map on a plane or a sphere (in other words, any map of our world) can be colored in with four distinct colors, so that no two neighboring countries share a color.Second, computers were instrumental in the proof of the four-color theorem.
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