'We believe it is possible that neutron emissions by earthquakes could have induced the image formation on the Shroud's linen fibres, through thermal neutron capture on nitrogen nuclei, and could also have caused a wrong radiocarbon dating,' said Professor Alberto Carpinteri, from the Politecnico di Torino. Other scientists have previously suggested that neutron radiation may have been responsible for the ghostly image of a crucified man with his arms crossed.However, no plausible explanation has been offered for the source of the radiation until now."All empirical evidence and logical reasoning concerning the shroud of Turin will lead any objective, rational person to the firm conclusion that the shroud is an artifact created by an artist in the fourteenth-century."The "shroud" of Turin is a woven cloth about 14 feet long and 3.5 feet wide with an image of a man on it.Actually, it has two images, one frontal and one rear, with the heads meeting in the middle.The radiocarbon dating method is based on the fact that radiocarbon is constantly being created in the atmosphere by the interaction of cosmic rays with atmospheric nitrogen.The resulting radiocarbon combines with atmospheric oxygen to form radioactive carbon dioxide, which is incorporated into plants by photosynthesis; animals then acquire in a sample from a dead plant or animal such as a piece of wood or a fragment of bone provides information that can be used to calculate when the animal or plant died.It has been noted that if the shroud were really wrapped over a body there should be a space where the two heads meet.It has also been noted that there is a space where the front and back of the head meet, and that what appears to be the outline of the back of the head is a water stain.
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She was surprised to find a peculiar stitching pattern in the seam of one long side of the Shroud, where a three-inch wide strip of the same original fabric was sewn onto a larger segment.
The stitching pattern, which she says was the work of a professional, is quite similar to the hem of a cloth found in the tombs of the Jewish fortress of Masada. This kind of stitch has never been found in Medieval Europe.
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In 2002, a team of experts did restoration work, such as removing the patches from 1534 and replacing the backing cloth.
One of the specialists was Swiss textile historian Mechthild Flury-Lemberg.
Research has been ongoing since the 1960s to determine what the proportion of in the atmosphere has been over the past fifty thousand years.
The resulting data, in the form of a calibration curve, is now used to convert a given measurement of radiocarbon in a sample into an estimate of the sample's calendar age.
The older a sample is, the less (the period of time after which half of a given sample will have decayed) is about 5,730 years, the oldest dates that can be reliably measured by this process date to around 50,000 years ago, although special preparation methods occasionally permit accurate analysis of older samples.
The idea behind radiocarbon dating is straightforward, but years of work were required to develop the technique to the point where accurate dates could be obtained.