The printing press, one of the most important inventions in human history, was developed around the same time by two very different cultures, separated by vast distances.
Was it luck? Or a borrowed idea gone viral?
An analysis at the SLAC National Accelerator Laboratory at Stanford University aims to shed light on this enduring mystery, comparing the chemicals in precious pages of two mid-15th century documents: Germany’s Gutenberg Bible and early Korean Confucian texts.
