[G Larry]

These alternate views are all nonsense. The shroud sat around for centuries before the concept of a negative image was ever understood.

[Nikas777]

If the image on the Shroud is not a man made work it is probably the Mandylion looted from Constantinople. The Mandylion was a historically verifiable image of Jesus on cloth that predated the Middle Ages.

[ScreamingFist]

These alternate views are all nonsense. The shroud sat around for centuries before the concept of a negative image was ever understood.

Are you sure? The Antikythera mechanism is comparable in sophistication to 18th century clocks, yet is dated to roughly 87 BC....

http://en.wikipedia.org/wiki/Antikythera_mechanism