Will China build an electric rocket launch pad on the roof of the world?

With SpaceX completing the biggest public offering in history, Elon Musk’s reusable chemical rockets seem to be the only game in town for getting to space. But halfway around the globe, a little-known Chinese town tucked against the Tibetan Plateau could change all that. In late March, the government of the city of Ziyang said a research facility successfully tested a high-temperature superconducting navigation system, which they said was a breakthrough in electromagnetic rocket launch...