AI helps plants tell you when they are thirsty

Have you ever joyously stepped out to your backyard garden, freshly brewed coffee in hand, only to find your meticulously cared-for plants and herbs wilted and dying? Was the soil too dry? Did pests find their way in? During times like these, some frustrated gardeners may wish their fickle ficus would just tell them what it needs. A new Microsoft-partnered project in the UK is trying to see if that concept can be demonstrated in the real-word.