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Ernst Mach's life span
Ernst Mach was born in Chirlitz-Turas, Moravia, Austrian Empire [now Brno-Chrlice, Czech Republic], and passed away February 19, 1916, in Haar, Germany. [1] 1- Promeet D. 2006 Dec 4. Ernst Mach, Austrian Physicist. Encyclopedia Britannica Online; https://www.britannica.com/biography/Ernst-Mach -
Entered the University of Vienna
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Earned his Doctorate in Physics
When he received his Doctorate, he served as a Mathematics professor for the next 4 years. -
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Mach became a professor at Charles University in Prague.
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Established the principle of supersonics and the Mach Number
He studied sound waves, wave propagation, and developed ways to photograph them. -
Mach number defined
Ernst Mach compared the ratio of the velocity of an object to the velocity of sound, which was the principles of supersonics. He made history using a shadowgraph to capture an image of these waves around a moving bullet. [4] 4- (Photo courtesy of wired.com) Paur J. 2010 Feb 10. Feb. 18, 1838: Physicist Machs His Entrance. WIRED; https://www.wired.com/2010/02/0218ernst-mach-born/ -
Mach returns to Vienna
He works as a professor of inductive philosophy. -
Mach suffers from a stroke
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Mach retires from active research
Even though he retires from research, he does not stop. He worked for the parliament in Austria, and still continued to publish books and conduct lectures. -
The phenomena of supersonic speed is named after Mach
A Swiss engineer honors Ernst Mach in a Scientific Paper by naming the measurement of supersonic speed after the physicist. This continues to this day. [2][3] 2- Paur J. 2010 Feb 10. Feb. 18, 1838: Physicist Machs His Entrance. WIRED; https://www.wired.com/2010/02/0218ernst-mach-born/
3- Flying Basics: What Is “Mach”? Why Is It So Important? 2019 Jul 16. YouTube; https://www.youtube.com/watch?v=uLrHnndL3D4