Gadgets & Gizmos: Post by drone, pay with a smile, underwater parties & meat in space

Share Radio's tech expert Steve Caplin tells Simon Rose about the Royal Mail's drone delivery to the Isles of Scilly, Shetlands, Orkneys and Hebrides. Mastercard have a new payment system requiring you to smile, there are teeth-cleaning nanobots on the way, underwater robots are killing jellyfish, drugs will have chocolate sprinkles to defeat counterfeiters, there's a battery that produces electricity from moisture and another from algae, the Dutch have produced a submarine party venue and Israeli scientists have mastered meat in space. Learn more about your ad choices. Visit podcastchoices.com/adchoices