A 13-sided shape known as “the hat” has mathematicians tipping their caps. It’s the first true example of an “einstein,” a single shape that forms a special tiling of a plane: Like bathroom floor tile ...

Infinitely many copies of a 13-sided shape can be arranged with no overlaps or gaps in a pattern that never repeats. David Smith, Joseph Samuel Myers, Craig S. Kaplan and Chaim Goodman-Strauss (CC BY ...

Whether you’re building a new house or renovating an old one, you’ll no doubt have to address your kitchen at some point in the process. Kitchen floor ideas can help you set the tone for your space, ...

Instead of spending your days actively avoiding looking down, consider turning to one of the unsung heroes of DIY: peel-and-stick tile. Whether you’re looking to give new life to floors or make a wall ...