Autonomous mega-mower rips through 19 football fields on a charge
Grass has got humanity wrapped around its little finger. We carried our favorite grasses with us from the savannahs of Africa as we spread across the world, and even tens of thousands of years later, we're so desperate to be among it that a house doesn't feel like a home for many folk without patches of grass around it.Now look, I like a bit of greenery as much as the next fella, but I'm sure I don't have to tell you that grass is a pain in the butt. If you find yourself responsible for some grass, you're required to…