If you grew up in the 80s you probably owned this devious little puzzle. With just six different colored sides, but 43 quintillion possibilities (that's 43 followed by 18 zeroes), the Rubik's Cube tortured a generation of children and adults with its surprising complexity.They say the average person can manage to solve two sides just through trial and error, but to complete the puzzle you have to memorize a long list of very precise steps. "Speedcubers," who spend hours practicing their technique, share videos online to compare their best times. As you can see in this video by stewartps,