a family of open source autopilots based on the Arduino open source computing platform. It consists of a choice of ArduPilot Mega (APM) electronics and a range of free software versions for different vehicles
is a design for a zero-emission, autonomous, nomad hydrogen-based airship that will never land.
The ship regenerates its fuel, creating hydrogen from wind power and the rain on its skin.
When it depletes its energy reserves, the ship drops anchor and rests, in order to replenish its energy in a renewable way.