Photography of bow shock waves around a brass bullet, 1888
Autor:
Credit:
Scan from book (now lost)
Krótki link:
źródło:
Wymiary:
1884 x 1884 Pixel (1839047 Bytes)
Opis:
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.
Licencja:
Public domain
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