According to an old "Simpsons" quote, there's nary a thing that can outrun a greased Scotsman. That's no longer the case, as Chinese train manufacturer CSR Corp Ltd. unveiled a 500 km/h (310 mph) high-speed test train over the weekend. The train, which consists of six cars, is shaped to look like an ancient sword, reinforced with carbon fiber, and has a maximum tractive power of 22,800 kilowatts. Similar (if not identical in terms of proposed speeds) projects currently under construction include the 310 mph maglev t
