In this video, I'll be showing you the Boeing and Airbus experiment never built trijet aircraft, including a Boeing 747 trijet design. What were these designs, what would they have been like, and what ...

Yellowstone to Yosemite: Kevin Costner speculates the reason behind Teddy Roosevelt's 'disappearing act' ...

American company Boom Supersonic just broke the sound barrier with a civilian plane. What exactly is supersonic travel, and ...