You can find a more detailed report about their research on the .
The third was a multi-parametric mechanical test based on five different mechanical parameters linked to the voltage of the wire.
"The radiocarbon sample has completely different chemical properties than the main part of the shroud relic," said Mr Rogers, who is a retired chemist from Los Alamos National Laboratory in New Mexico, US.
Fire damage He says he was originally dubious of untested claims that the 1988 sample was taken from a re-weave.
Firm believers in the authenticity of the Shroud were confident of a serious dating error (or incredible oversight in the c-14 dating process).