How many types of infinity are there?

 

Vi Hart: Doodling in Math Class: Dragon Dungeons

 

Happy ‘Turkey Day’ to our US cousins!

If you need help with your ‘Turkey Day’ recipes, I recommend Vi Hart’s mathmatical feast!

Bon Apetit!

Happy Halloween!

Vi Hart: Hexaflexagons 2

 

ViHart: Hexaflexagons

 

Vi Hart: What was up with Pythagoras?