Smartphones are useful for a lot of things. You can even use one as a ruler in a pinch. Generally speaking, you won’t replace your trusty yard stick. A phone is simply too small for anything other ...

A Golomb ruler is very different from your run-of-the-mill tape measure. These strange rulers are defined in terms of constraints, and are “optimized” when they are the shortest they can be. While not ...

Ewan Selmes is a games and entertainment journalist with several years' experience in the industry, writing for a variety of digital publications as well as small businesses. As a gamer, Ewan has more ...