eMotionSpheres - Festo
Red Bull Stratos - GoPro: The Full Story
Red Bull Stratos FULL POV
How can balloons provide stable coverage
How do the balloons move up and down?
Ask Away: How did Project Loon begin?
Project Loon: The Technology
Introducing Project Loon
Felix Baumgartner's supersonic freefall from 128k'
Cluster ballooning with Jonathan Trappe