The paths of two collimated light rays and their different angles of reflection
More from Chalkdust
How to crochet a fractal
This article will (unsurprisingly) tell you how to crochet a fractal
Top Ten: Geometry instruments
The definitive chart of the best tools
Star polynomials
Natalya Silcott introduces us to star polynomials!
Creating hot ice
We created hot ice from scratch, a solution that remains liquid even below its freezing point!
Curiouser and curiouser!
Some surprising mathematical facts
Find your perfect partner
Find your perfect partner with this wonderful tree diagram!