Reflected light beams from a point source located where the rim touches the positive $x$-axis
More from Chalkdust
A canal runs through it
Colin Beveridge barges in and admires some curious railway bridges
Handbook of equations
Forgotten how to draw a log graph? No need to panic – here's a handy guide!
Page 3 model: Game of Thrones
Using graph theory to predict who will sit the iron throne
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!