Maglev
Just a contraction of magnetic levitation, which the Japanese train uses as its mean of propulsion. The train in your linked article is the SCMaglev, Super Conducting Maglev train.
Google will open-source its super-duper load balancing Maglev tool to developers – a move that will also bolster its own infrastructure developments. In a blog post Google said it has a history of building its own networking gear, "and perhaps unsurprisingly, we build our own network load balancers as well, which have been …
Seems to me that everyone has forgotten the original Maglev People Mover installed at Birmingham International Airport in 1984, and which ran until 1995, when the cost of maintaining it became too high. It is now replaced by a cable hauled, wheeled system called SkyRail. Magnetic Levitation was first demonstrated by Eric Laithwaite and his research team at Imperial College London (I think, correct me if I'm wrong) and implemented by a consortium including GEC, Balfour Beatty, Brush, and MetroCam.