True devotees of The Cube have long abandoned the classic Rubik's brand puzzle for faster, sleeker (and more expensive) 'speed cubes' that can twist at the high rates that racers demand. Alternatively ...

I wonder how much slop and additional mechanical tolerance you have to add to (surely custom-fab'd) physical cube to keep it from blowing itself to pieces under these sorts of accelerations.

Having children means being a puzzle-solver in ways big and small. By Samantha Mann Puzzling, to me, has always been an activity for people who lack legitimate hobbies. The thought of assembling 500 ...