Advances in transportation have changed the world. Important inventions such as the steam engine, the aircraft, the jet engine, and the computer have brought rapid progress to transportation. This book looks at cutting edge designs that have created the fastest, the best, and the most amazing cars, ships, trains, planes, and bikes in the world today. Find out: How do maglev trains work? How could bubble power help submarines go faster than sound? Which cars are the most powerful?