and a museum that holds an important relic of the true cross. >> what's fascinating is that it is said to have been given directly by the pope to the king of ireland, and rome as we know, had access to relics from jerusalem. >> archeologist george kazan is joined by scientist tom hooil. he is also from oxford university in england and he will put the relic to the test. >> for the first time in history we're able to place these relics in their proper time and proper date. >> the waterford cross is on loan to the medieval museum from the roman catholic arch diocese. and museum curator aman mcmeany has secured their permission to test it. >> the relic is just inside had? >> it's just inside this. >> is it an ancient script? >> it says a piece of the wood of the true cross, and it was given to the king of muenster by