Spectacular innovations always seem to be right around the corner. This week, we look at concepts that could become commonplace in the next few years, including edible mist, flexible touch screens, LED displays on vehicles and delivery drones.
Above: This drone concept from Austrian firm
is aimed at the medical industry, where fast delivery of supplies and even organs can save lives. The drone takes off vertically and then transitions into a glider. A touchscreen offers secure locking and unlocking of contents.