“It’s a little plastic toy,” said Jessica Fridrich, tossing a Rubik’s Cube between her long-fingered hands on a stormy afternoon in her office at Binghamton University in upstate New York, her ...

Plus, it's super engaging. Before you even try it (or find a method to help you solve it), it feels like it should be relatively easy to solve, right? After all, it's small enough to fit into your ...