Israeli engineer designs grounded drone delivery service

Israeli industrial designer Kobi Shikar has come up with the concept of a parcel delivery drone that will never get off the ground - and that's just fine with him. The Transwheel Delivery Drone is a sensor-packed motorized unicycle that Shikar says could be an earthbound alternative to Amazon's futuristic plans to use drone multicopters to deliver packages to your front door. It's a compromise, Shikar believes, between the need for speedy delivery and the dangers of flying drones encroaching on