Steve Caplin takes a look at the latest gadgets and gizmos, which include self-driving hospital beds and a way for drones to extend their range – by hitching a ride on buses! There's also NASA's Lunar Loo Challenge, paper wine bottles, an LED torch to improve eyesight, a waterproof and bulletproof backpack, controlling your Apple Watch through gestures and an electric motorbike that can power your house in the case of a blackout.
