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 ...

A quantum Rubik’s cube would be infinitely more complex than the traditional puzzle, but mathematical modelling shows it wouldn’t be unsolvable. In the summer of 2022, Noah Lordi and Maedée ...