Aerodynamic objects are low to the ground, not very tall, and have a leading edge that contacts the air in a thin and narrow manner to produce the smoothest, most streamlined journey. Aerodynamic, ...

These resistant forces result from friction in mechanical components of the train and the aerodynamic drag of the moving train. As the average traveling speeds of trains have increased, aerodynamics ...

In the early days of the automobile, there were some truly wild ideas as designers around the world tried to find the best form for the autocar. Most of these creations were boxy and slab sided, with ...