This is from a different forum discussing the shroud today.
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“They concluded that the exact shade, texture and depth of the imprints could only be produced with the aid of ultraviolet lasers – technology that was clearly not available in medieval times.”
And: “…in case there was any doubt about the preternatural degree of energy needed to make such distinct marks, the report spells it out: ‘This degree of power cannot be reproduced by any normal UV source built to date.’”
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http://www.youtube.com/watch?v=iVXXZcN8RVI
At about 13 minutes the scientific proof is examined in this documentary. "The video is well done and brings to light a documented history of the Shroud which has not been published."
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Merry Christmas