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Schlieren imaging

NASA engineers stare at the sun to see shockwaves from supersonic flight

By | Gadgets, NASA, Photography, Schlieren imaging, Science, supersonic, TC, Transportation

 Before the eclipse this summer, NASA warned us over and over again not to stare directly at the sun — but now they’re doing just that. Its researchers have reinvented a photography technique more than a century old, using the sun itself as a backdrop in order to capture the shockwave produced by a new supersonic jet. Read More

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