Google Xuan, 7, left, finished the last few moves on a 3x3 as his brother Enzo Xuan, 12, reacted proudly during a practice speedcubing session. Parents watched a practice speedcubing session on June ...

One of the many niche-uses for a 3D printer is building on the work of fiendish puzzle maker Ernő Rubik. While Rubik’s 3x3x3 cube presented 54 colored squares for puzzle solvers to sort by color, this ...

The Rubik’s Cube has been around for decades. I’ve toyed with the cube, probably in the very late ‘80s or early ‘90s, but never imagined being able to solve one. But wouldn’t it be satisfying if I ...

As part of their diploma thesis at the HTBLA Saalfelden, David Haidenhofer, Markus Kreutzer and Paul Kreuzer designed a machine to solve a scrambled Rubik’s Cube. In just 385 ms, the well-known puzzle ...

A robot built out of Lego can solve a Rubik’s Cube in about 3.2 seconds, but some 40 years after I first picked up the iconic puzzle, I’ve yet to solve it on my own. I assumed that successfully ...

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, ...