Three years ago, robotics engineer Banks Hunter drove deep into the Mojave Desert to see a solar farm under construction. Cardboard boxes with around 2 million solar panels were scattered over tens of thousands of acres. The boxes sat next to steel beams that had been hammered into the ground in a grid. Hundreds of people were walking up and down the rows removing the panels and screwing them into the steel mounting equipment, over and over. The whole process would take six months.“My gut take w...