File:Photography of bow shock waves around a brass bullet, 1888.jpg

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Summary

Description
English: This photo was taken by physicist Ernst Mach in 1888 in Prague, using Schlieren Photography on a 5 mm-diameter negative. It depicts the waves around a supersonic brass bullet. Note that according to An Album of Fluid Motion (p. 2), the two white vertical lines are artifacts that are not related with the airflow.
Français : Cette photo a été prise par le physicien Ernst Mach en 1888 à Prague, à l’aide de la technique de photographie Schlieren (strioscopie) sur un film négatif de 5mm de diamètre. Elle montre les ondes de choc autour d’une balle supersonique en laiton.
Date
Source Scan from book (now lost)
Author Ernst Mach (1838–1916)
Other versions http://history.nasa.gov/SP-4219/Chapter3.html

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Ernst Mach

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current13:58, 6 July 2011Thumbnail for version as of 13:58, 6 July 20111,884 × 1,884 (1.75 MB)wikimediacommons>Ariadacapo

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