Radiocarbon dating the turin shroud
(Another equally famous painting, also claimed to have miraculously appeared on a cloth, cropped up in Mexico in the 16th century, "Our Lady of Guadalupe.") The case for the forged shroud is made most forcefully by Joe Nickell in his Inquest On The Shroud Of Turin, which was written in collaboration with a panel of scientific and technical experts.
Most skeptics think the image is not a burial shroud, but a painting and a pious hoax. In 1988, the Vatican allowed the shroud to be dated by three independent sources--Oxford University, the University of Arizona, and the Swiss Federal Institute of Technology--and each of them dated the cloth as originating in medieval times, around 1350.A weight of 20th century carbon equaling nearly two times the weight of the Shroud carbon itself would be required to change a 1st century date to the 14th century (see It may interest skeptics to know that many people of faith believe that there is scientific evidence which supports their belief in the shroud's authenticity.Of course, the evidence is limited almost exclusively to pointing out facts that would be true the shroud were authentic.The shroud is a 14th century painting, not a 2000-year-old cloth with Jesus's image.Mc Crone's theory is that "a male model was daubed with paint and wrapped in the sheet to create the shadowy figure of Jesus." The model was covered in red ochre, "a pigment found in earth and widely used in Italy during the Middle Ages, and pressed his forehead, cheekbones and other parts of his head and body on to the linen to create the image that exists today.
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However, the floral images they see are hidden in mottled stains much the way the image of Jesus is hidden in a tortilla or the image of Mary is hidden in the bark of a tree.