elebrate Christmas, you’re heading into the home stretch! As of this morning, there are nine days until the fat man comes down the chimney. I hope you’re more ready than I am! (My careful schedule has gone to pot, in
Film Friday: Vi Hart, Doodling in Math Class, Binary Trees
You really don’t have to know or care what “binary trees” are to appreciate Vi Hart’s genius. And I’m so excited to finally introduce you all to her. Vi calls herself a “recreational mathematician.” In other words, she plays with