stored in the air molecules which is later shown as a light so if your eye was more sensitive you could see a flash of light going to be strong in another flash another from because our eyes are not sensitive enough we need to use so-called fluorescent detectors which take a movie of the sky very very fast move your discovery. and. esther physicist bronchial art shows us one of the fluorescence detectors. there are four buildings like this one on the observatory site. ok we just arrived here at the fluorescent. call mostly only. if you look at least