How efficiently can you pack together disks?
Use trigonometry to determine whether solar eclipses on earth can be perfect.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
The Velodrome was one of the most striking buildings in the London 2012 Olympic Park. This article explores how mathematics helped design the iconic building and its track.