Solving a Rubik's Cube is not as impossible as it may seem thanks to these tips. Let's take a page out of a 1980s toy catalog and revisit the Rubik's Cube! First, it's the perfect solution to boredom: ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...