Back in the analog days, the geekiest expression of creativity and engineering have been Lego blocks. These days, it’s the Raspberry Pi. Of course, LEGO has caught up with the times and you can even mix the two together for best results. That’s exactly what a certain Francesco Georg has done, combining the flexibility of Lego’s free-form blocks with the brains of a Raspberry Pi. The result? A homemade robot that can solve a Rubiks cube in less than two minutes.