The Rubik's Cube has long been a staple in geek culture—but if you've already learned how to solve it, here's a way to make a new puzzle by doing some DIY modifications on the one you already have.

Australian Feliks Zemdegs is defending his Red Bull Rubik’s Cube 3x3 speedcubing title in Moscow on November 17. The 23-year-old, dubbed the Usain Bolt of Rubik’s Cube solving in some circles for his ...