X-Nico

unusual facts about Photographic emulsion



Callier effect

In the absence of scattering, the attenuance provided by the emulsion is independent of the collimation of the illumination; a dense point absorbs a big portion of light and a less dense point absorbs a smaller portion, irrespective of the directional characteristics of the incident light.


see also

Susan Derges

Her 1985 work Chladni Figures was produced by sprinkling carborundum powder directly onto photographic emulsion where it was exposed to sound waves at different frequencies (see Ernst Chladni), creating ghostly black and white images of natural order and chaos.