Magnets are everywhere in our daily lives, even if we don’t always notice them. From holding up notes on the fridge to powering complex machines, magnetism plays a crucial role in technology, science, ...

Libor Šmejkal has a fondness for the artwork of M. C. Escher, whose work was often inspired by mathematics. One of Šmejkal’s favourite pieces is Horseman, a striking picture that features an elaborate ...