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 ...

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, ...