7 Gadgets That Changed the World
7. The Printing Press
The original game-changing gadget was too big to fit in your pocket, but it revolutionized literacy all the same. Around 1450, German goldsmith Johannes Gutenburg transformed printing with his press, a table-sized machine modeled after the wine presses of the day. The invention used thousands of movable metal letters to quickly and cheaply copy text. Gutenburg's press took the spread of ideas out of the hands of elites and paved the way for the Protestant Reformation and the Enlightenment.
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