UFO Flies Over Salt Lake City[center][youtube]http://www.youtube.com/watch?v=9VWL9H_slQw[/youtube][/center]
... it's a Hyperblimp!
[center][youtube]http://www.youtube.com/watch?v=0A30teb7rSM[/youtube][/center]
Hyperblimp: Ultra-streamlined, low drag, helium-filled airship that slips through the air, rather than pushing it aside. Propelled by central axis rear propeller, capable of moving in any direction.
Advantages: whisper quiet, zero pollution, super-efficient, can run on sunlight, maneuverable as a hummingbird, exceptional smoothness, low maintenance, low initial cost, no airport necesary.
Uses: unmanned air travel, research, communication, monitoring, sports, surveillance, delivery, advertising, photography, fun!
http://hyperblimp.com/