X(ray) marks the spot in elemental analysis of 15th century printing press

news.wisc.edu

11 pointsbenbreen1 comment

“What is not known is whether Gutenberg knew about the Korean printing or not. And if we could shed light on that question, that would be earth shattering,”

Earth shattering seems like a stretch, but I admire their enthusiasm.

Reply on news.ycombinator.com