A rocket built for traveling throughout our solar system could revolutionize travel on Earth, according to Elon Musk. Using a "BFR" flying at a max speed of 18,000 mph, he says we could fly anywhere on Earth in under an hour. Musk revealed the plan during tonight's speech at the 68th International Astronautical Congress 2017 in Adelaide, Australia, where he also showed SpaceX's plans for lunar and