Finite Geometry

In primary school we learnt about dust, ice and gas forming rock-shapes. These rocks often exploded, crashing into other flying rocks, before snowballing to create planets and much later a whole universe. The idea of a universe had always troubled me, that big playing field full of meaningless chaos with a huge mocking ‘why?’ at its centre.
Mr Cromarty, who was our science teacher as well as the deputy head of the school, was keen on…