IoT weekly round-up: Thursday 21st September 2017

This week, the connected world brings artificial intelligence and augmented reality to medicine, robots have a go at music making and Matternet's autonomous drones ditch their human minders and successfully refuel themselves. Autonomous drone delivery service Matternet has developed an automated base station where drones can refuel and swap payloads by themselves. There's no human involvement at all – instead, packages ready for pick-up carry a QR code detailing their destinations, and are collected from a drawer on the Matternet Station by the drones. The startup has been transporting blood and pathology samples to labs in an effort to start commercializing its technology. Computer-assisted surgery has a new player in town: an augmented reality headset specifically designed for surgeons performing spinal surgery.