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chemistry problem for the shadow theory
. . . in referece to the wikipedia text,
solar masking, or "shadow theory"
One needs only turn to many articles published in peer-reviewed scientific journals to find out about the chemistry of the image. Papers in the peer-reviewed scientific journals don't explain for certain how the images were created and they don't opine on the Shroud's authenticity. They only present scientific fact.
The image on the Turin Shroud, the very thin layer of caramel-like substance, 180-600 nanometers thick, is thinner than most bacteria . The layer can be seen by phase-contrast microscopy. And with a scanning electron microscope the fine crystalline structure of the carbohydrate layer can be discerned. The image resists normal bleaching by chemicals or by sunlight. If the image were formed by a bleaching process, particularly an absence of bleaching as Wilson's proposes, it would bleach out.
The image on the Shroud of Turin can be scraped from the cloth, pulled away by adhesive and reduced with a diimide reagent, leaving colorless, undamaged linen. That cannot be the case with Wilson's image.
Wilson's proposed chemistry contradicts the scientific evidence.
Return to summary of why the shadow theory fails. See:
solar masking, or "shadow theory"
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