American Captain Charles "Chuck" Yeager, in the Bell X-1 aircraft, became the first to achieve Mach 1 (or better known as the speed of sound) in the late 40s. That moment in history became known as ...

“Mach 1”: The term refers to the speed of sound, which is not a fixed number but varies based on the temperature of the surrounding gas. Named for Austrian physicist Ernst Mach, the term is a little ...

Jumping across time is something iconic automotive nameplates seem to master very well. Take the Mustang Mach 1 branding, for example, and remember how the performance-oriented pony car enjoyed two ...