Read BookHidden Attraction The History and Mystery of Magnetism (Mystery and History of Magnetism)

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[Free Download.vzf2] Hidden Attraction The History and Mystery of Magnetism (Mystery and History of Magnetism)

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Book Details :
Published on: 1996-04-25
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Original language: English

Long one of nature's most fascinating phenomena, magnetism was once the subject of many superstitions. Magnets were thought useful to thieves, effective as a love potion or as a cure for gout or spasms. They could remove sorcery from women and put demons to flight and even reconcile married couples. It was said that a lodestone pickled in the salt of sucking fish had the power to attract gold. Today, these beliefs have been put aside, but magnetism is no less remarkable for our modern understanding of it. In Hidden Attraction, Gerrit L. Verschuur, a noted astronomer and National Book Award nominee for The Invisible Universe, traces the history of our fascination with magnetism, from the first discovery of magnets in Greece, to state-of-the-art theories that see magnetism as a basic force in the universe. The book begins with the early debunking of superstitions by Peter Peregrinus (Pierre de Maricourt), whom Roger Bacon hailed as one of the world's first experimental scientists (Perigrinus held that "experience rather than argument is the basis of certainty in science"). Verschuur discusses William Gilbert, who confronted the multitude of superstitions about lodestones in De Magnete, widely regarded as the first true work of modern science, in which Gilbert reported his greatest insight: that the earth itself was magnetic. We also meet Hans Christian Oersted, who demonstrated that an electric current could influence a magnet (Oersted did this for the first time during a public lecture) and Andre-Marie Ampere, who showed that a current actually produced magnetism. Verschuur also examines the pioneering experiments and theoretical breakthroughs of Faraday and Maxwell and Zeeman (who demonstrated the relationship between light and magnetism), and he includes many lively stories of discovery, such as the use of frogs by Galvani and Volta, and Hertz's accidental discovery of radio waves. Along the way, we learn many interesting scientific facts, perhaps the most remarkable of which is that lodestones are made by bacteria (a sediment organism known as GS-15 eats iron, converting ferric oxide to magnetite and, over billions of years, forming the magnetite layers in iron formations). Boasting many informative illustrations, this is an adventure of the mind, using the specific phenomenon of magnetism to show how we have moved from an era of superstitions to one in which the Theory of Everything looms on the horizon. Three Words That Could Overthrow Physics: What Is ... Three Words That Could Overthrow Physics: What Is Magnetism? The standard model still doesn't describe magnets' spooky action at a distance. Magnetism for kids - A simple introduction Magnetism and electricity: the theory of electromagnetism. Electromagnets show that you can make magnetism using electricity. In fact as European scientists ... Read Rosicrucian Digest Vol. 81 Number 2 text version Readbag users suggest that Rosicrucian Digest Vol. 81 Number 2 is worth reading. The file contains 36 page(s) and is free to view download or print. The Hidden Significance of Enoch in three words: Aliens ... Two things immediately come to mind. One not much is written about Enoch in the Bible. And two what obviously commands attention is one of the great mysterious of ... History of chemistry - Wikipedia The history of alchemy represents a time span from ancient history to the present. By 1000 BC civilizations used technologies that would eventually form the basis of ... NSTA Journal Article Resources for science teachers ... Exhibits & Advertising. NSTA can help you reach science educators in every discipline and at every grade level through exhibit hall ... The Secret Doctrine of the Rosicrucians: Table of Contents PART I . THE ROSICRUCIANS AND THEIR SECRET DOCTRINE . The Legendary Rosicrucians. Truth and Error Regarding Them. Counterfeit Rosicrucian Orders. How magnet is made - material manufacture making ... A magnet is a material that can exert a noticeable force on other materials without actually contacting them. This force is known as a magnetic force and may ... The History of Hypnosis The history of hypnosis is full of contradictions. On the one hand a history of hypnosis is a bit like a history of breathing. Like breathing hypnosis is an ... The Coral Castle: Masonic Mystery in the Sunshine State ... Architecture Freemasonry Museum USA. Just a little way outside of Homestead Florida there stands an enigma. The Coral Castle is a decorative park built from over ...
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