There’s a common trope in movies and TV where, to show a character is off-the-charts smart, the writers will have them solve a Rubik’s cube. The idea, obviously, is that said Platonic solid is so complex, so utterly bamboozling, that only those with a genius-level intellect would be able to wrangle it successfully. Well, it seems that for some people – and by “some people”, we mean “a bunch of physicists and mathematicians from the University of Colorado Boulder who wanted to win a bet” – this classical version of the puzzle is just too simple to bother with. You know what’s better? Quantum Ru…