History of Invention: Road and Rail Transportation

Without Wheels: Long Ago, Before Wheels Were Invented, People Had to Walk Everywhere, Carrying or Dragging their Belongings. Inventing the Wheel: Wheels Changed Transportation Forever, Making it Easier to Move Heavy Loads. Horse Power: Without Engines, People Relied on the Muscle Power of Tamed Horses and Other Large Animals. Building Roads: Wheels Need Roads to Roll Along and Engineers Have Been Laying Roads for Thousands of Years. Pedal Power: Not all Vehicles Need an Engine or An Animal to Power Them. Bicycles are Human Powered Transportation. The First Trains: Rail Transportation Began Long Before Engines Were Invested. The Age of Steam: Steam Engines Were First Used Effectively for Powering Rail Locomotives Modern Railroads: Rail Transportation Now Comes in Many Forms. High Speed Trains: The Latest Rail Locomotives Leave Cars in the Dust The First Cars: Steam Engines Were Too Heavy for Road Vehicles, but Gasoline Powered Cars Transformed Road Travel How Cars Work. The Inside Story of an Ordinary Automobile On Track and Off Road: From Tractors and Tanks to Indy Car Racers and Jet Powered Record Breakers. Cars of the Future: How Cars of the Future Might Function.