Let’s be clear: Six seconds is not enough time to do anything, really. It’s not enough time to open a box of Mike & Ikes properly. It’s not enough time to chew and swallow a Dorito. It’s barely even enough time to count to six. On the list of things you can do in six seconds, the number of them that are more satisfying than, say, automatic functions like breathing is vanishingly small.
And yet here’s Australian teen Feliks Zemdegs solving a Rubik’s Cube in fewer than...