Most people will have picked up a Rubik’s Cube, twisted a few sides, scratched their heads at how anyone could solve it, then put it down again, deciding it was too hard, yet some people pick it up again. And again. And after weeks, or months, of perseverance, they work out how to solve it. Some enjoy solving it so much that they try to get faster and faster, usually racing against the clock to try and beat a record. These people are called speedcubers, and it’s a hobby that’s on the rise. Luke Terzich, founder of KewbzUK, an online speedcubing shop, says that it is easy to learn. “It just requires you to remember a few basic algorithms.” In speedcubing, an algorithm is a string of letters found online…