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Fraser
2019-Mar-07, 10:11 PM
After more than 10 years of hard work, NASA has reached another milestone. We’re accustomed to NASA reaching milestones, but this one’s a little different. This one’s all about a type of photography that captures images of the flow of fluids. It’s called Schlieren Photography, and schlieren is German for “streaks.” It was first developed …
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profloater
2019-Mar-07, 10:48 PM
Beautiful picture, the Schlieren technique involves polarised light which i think usually has a prefilter and post filter but it looks like this used only a filter in the camera.