Thought some of yall would find this neat. It will be interesting to see how far they can take it.
https://www.kickstarter.com/projects/rorymackean/tertill-the-solar-powered-weeding-robot-for-home-g
https://www.kickstarter.com/projects/rorymackean/tertill-the-solar-powered-weeding-robot-for-home-g