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Invented 1864! http://en.wikipedia.org/wiki/Schlieren_photography http://en.wikipedia.org/wiki/Schlieren_photography And there's a variant in color: https://ww
by nsajko 12y ago
Invented 1864!
http://en.wikipedia.org/wiki/Schlieren_photography http://en.wikipedia.org/wiki/Schlieren_photography
And there's a variant in color:
https://www.youtube.com/watch?v=0g4UBeaG5fs https://www.youtube.com/watch?v=0g4UBeaG5fs
- kr0 12y agoThere was a yellow version shown on Time Warp.