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In page Scientific Revolution:

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Gilbert was an early advocate of this method. He passionately rejected both the prevailing Aristotelian philosophy and the scholastic method of university teaching. His book De Magnete was written in 1600, and he is regarded by some as the father of electricity and magnetism.[2] In this work, he describes many of his experiments with his model Earth called the terrella. From these experiments, he concluded that the Earth was itself magnetic and that this was the reason compasses point north.[citation needed]