Ernst Mach Ernst Mach Ernst Waldfried Josef Wenzel Mach (; ; 18 February 1838 – 19 February 1916) was an Austrian physicist and philosopher, noted for his contributions to physics such as study of shock waves. The ratio of one's speed to that of sound is named the Mach number in his honor. As a philosopher of science, he was a major influence on logical positivism and American pragmatism. Through his criticism of Newton's theories of space and time, he foreshadowed Einstein's theory of relativity. Ernst Waldfried Josef Wenzel Mach was born in Chrlice (), Moravia (then in the Austrian empire, now
Mach Rider against a hazard on the track, they obtain more points— this also replenishes Mach Rider's bullets. "Mach Rider" takes place in the year 2112, and planet Earth has been invaded by evil forces driving vehicles known as Quadrunners. The player controls Mach Rider, who travels from sector to sector on a high-powered superbike, searching for survivors and destroying any enemies in their path. In 1972, "Mach Rider" was originally released as a plastic race car or hot rod toy also by Nintendo that came with a ramp for jumping and a stick shift-like object with three different kinds of meters