Add the "autonomous car trapped by a circle of salt" to your repertoire if you haven't seen it already: https://www.youtube.com/watch?v=thuN2HD6m2s https://www.

Add the "autonomous car trapped by a circle of salt" to your repertoire if you haven't seen it already: https://www.youtube.com/watch?v=thuN2HD6m2s https://www.youtube.com/watch?v=thuN2HD6m2s