Science and Technology Faster than the Concorde and designed for transpacific passenger travel at Mach 3, Astro Mechanica’s Duality hybrid-electric engine behaves like a turbofan, a turbojet, and a ramjet without the need for hardware changes, while its fourth-generation prototype is on track for its first flight within three years. Carla Teles 31/05/2026 at 19:59
Armed Forces Powered By An Unshielded Nuclear Reactor, Capable Of Flying At Mach 3 With Virtually Unlimited Range And Spreading Lethal Radiation Wherever It Went, The Project Pluto (SLAM) Missile Was So Destructive That It Was Ultimately Considered Impractical Even For The Cold War Valdemar Medeiros 24/01/2026 at 15:12
