Over the years I’ve needed to make simple illustrations for my blog posts, but I’ve been stymied by drawing simple circles. Looking up tutorials on how to do this in PhotoShop led me to confusing, ...

A speed square has many obvious uses for marking up your building materials. Here's a small hidden feature you may not know about: it can also draw perfect circles. Most speed squares have a notch at ...

Pokémon Ranger: Guardian Signs is the latest installment in the Pokémon Ranger series, which is rather different from the mainline series of RPGs. Guardian Signs focuses on Rangers whose job is to ...

Welcome to The Riddler. Every week, I offer up problems related to the things we hold dear around here: math, logic and probability. There are two types: Riddler Express for those of you who want ...

We humans have always had a fascination with the circle. We experience it throughout nature—in the spiral of the Milky Way, the orbiting planets, and the cycles of life itself. As children, we also ...

STEP 2 - BISECT DIAMETER: Set your compass to the diameter of the circle. Put the compass spike at the bottom of the circle and draw an arc that touches the top of the circle and extends more than ...