X-ray marks the spot in elemental analysis of 15th-century printing press methods - Phys.org

In 15th-century Germany, Johannes Gutenberg developed a printing press, a machine that allowed for mass production of texts. It is considered by many to be one of the most significant technological advancements of the last millennium.

In 15th-century Germany, Johannes Gutenberg developed a printing press, a machine that allowed for mass production of texts. It is considered by many to be one of the most significant technological a… [+5319 chars]

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