Bob Rucker made a keynote presentation August 12, 2021, at a three-day technical conference on non-destructive testing.  It was held in Baltimore, MD, and organized by the American Society for Nondestructive Testing (www.asnt.org):

Non-Destructive Testing of the Shroud of Turin, External link opens in new tab or windownarration
PowerPoint (PDF):  External link opens in new tab or windowPP for Baltimore, 36 Slides

Bob Rucker gave four presentations at the International Shroud Conference in Ancaster, Canada, that was held August 14 to 17, 2019:


Holistic Solution to the Mysteries of the Shroud, External link opens in new tab or windownarration
PowerPoint (PDF):    External link opens in new tab or windowPP1 for Ancaster 081619

Understanding the 1988 Carbon Dating of the Shroud, External link opens in new tab or windownarration
PowerPoint (PDF):    External link opens in new tab or windowPP2 for Ancaster 081619

Why we Can See the Image on the Shroud, External link opens in new tab or windownarration
PowerPoint (PDF):    External link opens in new tab or windowPP3 for Ancaster 081619

How the Image Was Formed on the Shroud, External link opens in new tab or windownarration
PowerPoint (PDF):    External link opens in new tab or windowPP4 for Ancaster 081619