Ernst Mach (February 18, 1838-February 19, 1916)

Birth

Feb 18, 1838

Ernst Mach was born February 18, 1838, in Chirlitz-Turas, Moravia, Austrian Empire. Brittanica, The Editors of Encyclopaedia Britannica.”Ernst Mach.” Encyclopaedia Britannica,
Encyclopaedia Britannica,Inc., 13 APR. 2018
www.Britannica.com/Biography/Ernst-Mach

Mach's Bands

1860

Ernst Mach discovered a physiological phenomenon. The human eye to see bright or dark bands between sharply different iluminations. Pojman, Paul, "Ernst Mach", The Stanford Encyclopedia of Philosophy (Winter 2011 Edition), Edward N. Zalta (ed.), URL = https://plato.stanford.edu/archives/win2011/entries/ernst-mach/.

Mach number

1887

In 1887 Ernst Mach established the principles of supersonics and the Mach number, the ratio of the velocity of an object to the velocity of sound. While at Charles University in Prague, Czech Praha, Czech Republic. The term Mach speed is used in aviation today. Hall,Nancy. “Mach Number.” Glen Research Center/NASA. 28 MAR. 2018
www.grc.nasa.gov/www/k-12/airplane/Mach.html

Mach's principle

1887

Ernst Mach proposed, inertia results from a relationship of that object with all the rest of the matter in the universe. Einstein later used this in his theory of general relativity.
https://youtu.be/cPEwkMHRjZU

Death

Feb 19, 1916

Ernst Mach died February 19, 1916, in Haar, Germany. Brittanica, The Editors of Encyclopaedia Britannica.”Ernst Mach.” Encyclopaedia Britannica,
Encyclopaedia Britannica,Inc., 13 APR. 2018
www.Britannica.com/Biography/Ernst-Mach