Vi Hart, who knows more about math than I ever will, made a video and two pies especially for Pi Day, which she says we should call Half-Tau Day. She lost me when she said a pie is really 2pi, because I never took that class. I will take a slice of cherry, if you don't mind. Link -via The Daily What
NEATOSHOP'S BLACK FRIDAY SALE
Save up to 25% off ALL T-shirts from the NeatoShop! Hurry - sale ends Nov 29, 2015.