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About Video - 84. Amazing Science Model making & demonstration pin hole camera with multiple focusing capability Amazing Science Model making step by step demonstration pin hole camera with multiple focusing capabilities and science behind this experiment is straight line traveling of light rays. the pin hole in the camera works like a lens. It would be great fun to perform such experiment Keep it up.-~-~~-~~~-~~-~- Please watch: "107. Lab Assistant Physics: Current Electricity, Charge Carrier and Circuit Elements" https://www.youtube.com/watch?v=Ugh9ZnNCMeg -~-~~-~~~-~~-~-