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.
Unfortunately, the accounts have been largely unsubstantiated, vague, and inconsistent.
"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 companion book to the CNN documentary series, David Gibson and Michael Mc Kinley examine six historical artifacts connected to the life of Jesus, and discuss the degree to which there is evidence for what is claimed for the artifacts.
It’s mostly an exercise in debunkery, though I hasten to say this is not a polemical work.