Stabilizing their altitude at 10, 000 feet, the Navy pilot initiated the emergency destruct plan for the sensitive data and equipment on board -- and considered ditching the plane into the sea.

CNN: 'We did it right'

As they wove around the maze, the Lingobots created spatial maps of their surroundings, with the help of on-board cameras, laser range finders and sonar equipment that helped them avoid walls.

ENGADGET: Lingodroid robots develop their own language, quietly begin plotting against mankind

This is why budget airline Ryanair, notorious for offering ultra-cheap fares around Europe, also charges for reserved seating, priority boarding, bringing infants on board, carrying musical instruments or sports equipment and re-issuing boarding passes.

BBC: How airline pricing works

Aereo uses specially designed equipment that crams 80 dime-sized TV antennas on a single circuit board and stores programming that users can access by logging in to a website.

FORBES: Diller's Aereo Survives First Battle, Threatening All-Out Legal War Over TV

It's powered by a hydrogen internal combustion engine that turns a 44-kilowatt electric generator that runs eight propellers and whatever communications equipment is loaded on board.

FORBES: Companies, People, Ideas