Use trigonometry to determine whether solar eclipses on earth can be perfect.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
An observer is on top of a lighthouse. How far from the foot of the lighthouse is the horizon that the observer can see?
How would you design the tiering of seats in a stadium so that all spectators have a good view?
How efficiently can you pack together disks?
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.