## tiling

How should people arrange themselves for maximal socialising at a safe distance?

Our colleague Becky Warren has been distracting us with her wonderful tiling puzzles...

Why there are only three regular polygons you can tile a wall with.

**Josefina Alvarez**and

**Cesar L. Garcia**investigate.

*any*tilings based on fiveness?

**Craig Kaplan**takes us through the five-fold tiling problem and uncovers some interesting designs in the process.

**Caroline Series**and

**David Wright**give a short introduction to the maths behind their beautiful images.

**Mark Wainwright**meets the pair and finds out how they did it.

**Janna Levin**tells us more.