Scientists at the ETH Zurich in Switzerland university have created an AI robot, CyberRunner, that is capable of guiding a marble through a labyrinth in record time.
Full story: https://www.stltoday.com/news/nation-world/science/scientists-create-ai-that-can-solve-physical-marble-labyrinth-in-record-time/video_03704c22-1372-5ce3-a14a-6e39dff78dcc.html