More from Chalkdust

Comic: Introduction to catalysis
If you'll open your textbook to page... oh, the cat's sitting on it
Comic: Moving
Moving house? Who you gonna call?
Page 3 model: Ponytails
Many mysteries about hair are now revealed with the ponytail shape equation
Complex numbers and algebra
Exploring the beauty of complex numbers, their origins and why they are important
How to make: a slide rule
Make calculations easy with this simple-to-make slide rule
Christmas puzzles
Something for you to solve during the post-Christmas lull
