The Visibility of Red Ochre

A preliminary experiment One of the difficulties in determining the minimum density of red ochre that might be needed to make a noticeable difference to a colourless cloth is the experimental procedure from which to measure it. Morris, Schwalbe and London (‘X-Ray Fluorescence Investigation of the Shroud of Turin,’ X-Ray Spectrometry, 1980) calculated values of […]

A Scientist speaks

What on earth happened – or should I say didn’t happen – on 20th August 2024? Out of a blue sky, a sudden media frenzy erupted around a previously largely unnoticed piece of research carried out by some Italian scientists two to five years previously. Entering “Shroud” “Turin” and “WAXS” into the Google search bar […]

Qui tacet consentire videtur

[Digression] I first came across this maxim in the 1966 film, “A Man For All Seasons,” Robert Bolt’s brilliant historical drama about the conflict between Thomas More and Henry VIII. His refusal to sign the Oath of Supremacy, making Henry the “supreme head in earth of the church of England,” was widely recognised as a […]

New Blood Studies

Or rather: New Insights on Blood Evidence from the Turin Shroud, Giulio Fanti’s latest, rather wide ranging collection of brief comments into what seem to have been quite detailed investigations into the blood on the Shroud.1 I would be reluctant to comment on it at all had not Fanti referred to the “deafening silence” of […]

Rigor Mortis

In a recent article in the Newsletter of the British Society for the Turin Shroud,1 Teddi Pappas reviews a lot of research into rigor mortis in unusual conditions, and investigates the much rarer phenomenon of cadaveric spasm, in which parts of the body become instantaneously rigid at the moments of death. This is controversial, poorly […]