A hypersonic passenger jet has entered its second phase of tests, bringing the dream of trips of less than five hours between Australasia and Europe closer to reality.
The A2 is a 300-seat aircraft capable of non-stop flight to the other side of the planet at a cruising speed of Mach 5, or five times the speed of sound, about 5600km/h.
Full Article: http://www.browseblog.com/38325/5-hour-europe-flight-step-closer
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