rhythmworx Posted November 25, 2014 Share Posted November 25, 2014 Schlieren flow visualization and photography is one of those things that is just too cool. Using an optical trick, it allows a camera to capture, “small changes in the index of refraction in air.” In other words, it can see anything that affects airflow: heat, sound waves, or just plain old air currents themselves................ http://petapixel.com/2014/11/24/see-airflow-camera-awesome-harvard-demonstration-schlieren-optics/ 1 Link to comment Share on other sites More sharing options...
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