Best Ever Q&A Space Our World Nature History Science & Technology Human Body Senses & Organs Science of Life Chemicals & Matter Atoms & Molecules Materials Forces & Energy Sound Electricity & Magnetism Heat & Light Everyday Science Industry Transportation Computers Machines Ships Undersea Exploration Land Travel Cars Flight Structures Buildings Farming	Transportation Who built the first steam railway locomotive? What is a 'supersonic' airliner? What is a tractor-trailer? How big is an oil tanker? What is a Maglev train?   Previous: Back to Transportation Book: Best Ever Q&A Section: Science & Technology Chapter: Transportation