Smart Cubes and WisBlock
Ten years ago I had one of those geek urges: learning to solve Rubik's Cube or Magic Cube. Goal was not to do it fast, just to do it. Back then I managed to memorize the 6-7 algorithms for a novice solver and get in done in less than 5 minutes. Not a world record, I know, still I was pretty happy with the experience. These last months there has been some hype around the cube in our local school and my younger daughter wanted to learn to do it....