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age of cloth problem for the shadow theory
. . . in referece to the wikipedia text,
solar masking, or "shadow theory"
With new evidence that the sample used for carbon 14 dating was chemically unlike the rest of the cloth, other scientific findings have surfaced that suggest that the shroud's fabric is much older than previously thought.
The fact that vanillin can not be detected in the fibers shows that the cloth is at least 1300 years old. Medieval cloth should retain about 40% of its vanillin content. The cloth is far to old to have been a medieval painting.
Banding, a variegation of darker and lighter bleached threads suggests that the cloth was not produced in medieval Europe, where cloth was field bleached after weaving. The forensic evidence is quite clear: the cloth was hank-bleached, which is a much older method, a method that was used in the first century in the Middle East.
Return to summary of why the shadow theory fails. See:
solar masking, or "shadow theory"
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