As the United States struggles to keep its major cities connected by even the most bare-bones train systems, China is ...

It may surprise you to learn, however, that some railways once used wheels made out of paper, as [Train of Thought] explains. The wheels were pioneered by a man known as Richard N. Allen, in the ...

This keeps the train from derailing when turning. While this wheel engineering is impressive, it's not foolproof. Due to a variety of factors, sending a train off-track can and occasionally does ...