She was constantly improving the construction and design of the balloons, and she developed new systems to ensure consistent quality ... Air Force Project Excelsior was one of the Air Force's last ...
An curved arrow pointing right. Hot-air balloons have been around for centuries. They're certified aircraft for those looking to take the slow and scenic route, but owning one can set you back ...
No matter whether you call them “picosatellites” or “high altitude balloons” or “spaceblimps”, launching your own electronics package into the air, collecting some high-altitude photos ...
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