How's this for a case of the more things change, the more they stay the same. Rolls-Royce has developed a propeller-driven engine that could significantly reduce aircraft greenhouse gas emissions. Rolls-Royce recently cleared a major hurdle in testing its new design for a propeller-driven engine, involving a double rotor and new blade shape. Engineers have called Rolls-Royce's design a "tremendously significant" step forward. The company claims the design could ... Read full entry

The hypersonic plane designed to reach Australia in under five hours Flying between Australia and North Europe could virtually become a day trip, if plans to build a craft, dubbed the A2, that could complete the journey in four hours and 40 minutes, come to fruition. The artist's impression looks like something out of a science fiction film. But a hypersonic passenger plane that could fly to Australia from northern Europe ... Read full entry