Soon travel London Australia in 4 hours

UK-based Reaction Engines is functioning on a brand new form of hypersonic engine that would create flights to Australia simply a four-hour journey within the close to future. Experts believe that the engine capable of propellant craft to physicist five.4 are able to be utilized in ten years time. That wait might be a little longer for hypersonic jets to be used for commercial flights. #Travel #documentary #Rockets

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