Archive for Roger Bacon
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In 1269, Pierre or Peter Peregrinus of Maricourt wrote a letter to a friend discussing magnetism called “Epistola de Magnete” that explained how magnets attract and repel each other and how to identify the poles of a compass. Peregrinus was a tutor of Roger Bacon. PREREQUISITE: magnets of Carthage compass SUBSEQUENT: de Magnete (Gilbert) Roger […]