The Future of Food: Can Robots Protect Tradition?

A pizza made start to finish by robots at an airport is the newest link in a century-long chain. Ian Khan follows how growing, harvesting, moving and serving food were each automated in turn, visits Donatos to see how a family pizza tradition is being protected with robotic kitchens, and looks 25 years ahead: autonomous last-mile delivery, round-the-clock robot kitchens, and the hard economic lessons of vertical farming.