Period: Oct 25, 1400 to
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Jan 1, 1440
Gutenberg's Printing Presslink to sourceAround about 1440 a German goldsmith named Johannes Gutenberg developed a printing method that involved arranging reusable metal letter blocks. Previously to this duplicating material in Europe would involve hand carving a wooden printing block, or copying the material out by hand which could be very time consuming. Due to the relative ease of this method printing became the first form of mass communication. Image from: http://nwlink.com/~donclark/history_knowledge/print
John Locke - Defining KnowledgeInformation from:Knowledge is the perception of the agreement or disagreement of two ideas - John Locke (1689) BOOK IV. Of Knowledge and Probability. An Essay: Concerning Human Understanding. John Locke put forward the idear that we have “ideas of sensation.” derived from our sense organs. Our minds then turn these into “ideas of reflection” when we reflect upon the information provided by our senses.