Remember the graph paper you used at school, the kind that’s covered with tiny squares? It’s the perfect illustration of what mathematicians call a “periodic tiling of space”, with shapes covering an ...

Creatively tiling a bathroom floor isn’t just a stressful task for DIY home renovators. It is also one of the hardest problems in mathematics. For centuries, experts have been studying the special ...

The world around us is full of repeating patterns. From the frequency of music notes to the appearance of a snowflake, they come in many shapes and sizes. But today we're sticking with squares and ...