“The makers of a new hypersonic rocket engine say it could whisk flights from London to Sydney in just four hours, traveling at five times the speed of sound. That’s a flight that can take 20 hours on a conventional jetliner.
According to the BBC, UK company Reaction Engines says it’s gearing up to test the futuristic craft in Colorado — a startling vision of the future of transportation that could also, if the engine lives up to the hype, inform the future of spaceflight…”
Source: https://futurism.com/the-byte/new-rocket-engine-london-sydney
