At a roundtable session at the Foreign and Commonwealth Office in London last week, SpaceX/Tesla Motors visionary Elon Musk spoke about one of his newest innovations in transportation. He calls it the “Hyperloop,” describing it as a “cross between a rail-gun and a Concorde.” And while Techcrunch notes that he “revealed” the Hyperloop at the London event, Musk has been talking about it at least since our PandoMonthly chat last July. [Source: Techcrunch]