Little things slow down the process of putting 40 million pages of ancient manuscripts in the Vatican Library online: gold or silver in the illuminations, bindings that disintegrate if you open them, getting the synergy right. “It is important to realize if there is gold or silver in a manuscript. That requires a very particular process because the light will be different,†said Luciano Ammenti, who is in charge of IT at the Vatican and the project to digitize the storied library’s 82,000 manuscripts. The project, finally up and running a year after its announcement, uses an armada of equipment...