Kedves rabida,

nagyon szép, hogy a gugliból ide linkelsz kereséseket, de akkor legalább az első eredményt olvasd már el!

Kirlian photography - Wikipedia, the free encyclopedia

Idézek:

"However, research at Drexel University in the 1970s, under the direction of William W. Eidson, was unable to reproduce the effect . When the glass used to capture the original leaf was replaced with new glass before the freshly cut leaf was photographed, they were led to conclude that the "cut leaf" phenomenon was caused by microscopic etching in the surface of the glass which occurred during preparing the images of the uncut leaf. They also reported on a number of demonstrable causes such as surface moisture and pressure which can account for much of the variations in color, shape, and size of the resulting image."

"The accepted physical explanation is that the images produced are those typically caused by a high voltage corona effect, similar to those seen from other high voltage sources such as the Van de Graaff generator or Tesla coil. In a darkened room, this is visible as a faint glow but, because of the high voltages, the film is affected in a slightly different way from the usual. Color photographic film is calibrated to faithfully produce colors when exposed to normal light. The corona discharge has a somewhat different effect on the different layers of dye used to accomplish this result, resulting in various colors depending on the local intensity of the discharge."