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◇ 영상/이런저런

슐리렌 효과의 증명

by 세월따라1 2016. 8. 31.



This setup allows you to see changes in air density which is normally invisible to the human eye. The point light source is aimed at a concave mirror. The concave mirror reflects to a focal point. Then a sharp edged object partially blocks the light to create a shadow effect that allows you to see air movement. This is the Schlieren effect. Wikipedia