Once dismissed as a fantasy, the first semi-autonomous floating city-state is taking shape in French Polynesia.
The electric quadcopter prototype can haul up to 300 pounds and could be used to deliver aid, equipment and even soldiers to remote areas.
By one estimate, more than 60 percent of jobs and 30 percent of business activities could be automated today.
More policy experts are using science fiction to spice up doom-and-gloom reports of the world's future.
The chemical that makes pine trees smell good can be used instead of crude oil to sustainably produce plastic.
The device reduces the risk of blood clots and strokes.
A new technique produces an adhesive surface that can be turned on and off with flashes of ultraviolet light.
The alert system could improve the chances that drivers will hear an approaching ambulance.
Andrew Hall's e-cigarette explosion, which resulted in gruesome burns and other injuries, has highlighted concern over the safety of electronic cigarettes.
Interior sensors would detect a head injury and then a wireless communication system would instantly alert coaches and doctors on the sidelines.