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When images of illuminated objects penetrate a dark chamber through a small hole and get projected onto a white paper sheet positioned a certain distance from that hole, one can see inverted objects with their own shapes and colors on the sheet.
August 27, 2012 · 21m
When images of illuminated objects penetrate a dark chamber through a small hole and get projected onto a white paper sheet positioned a certain distance from that hole, one can see inverted objects with their own shapes and colors on the sheet.