Michael Faraday — "Magnetic curves are lines of force; they are not only lines of force but lines o…"
Magnetic curves are lines of force; they are not only lines of force but lines of action.
Magnetic curves are lines of force; they are not only lines of force but lines of action.
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"The important thing is to know how to take a hint, to seize upon the suggestion, however small, and to extract its full value."
"I have in fact been a very lucky fellow; I have often said that I should be a very miserable creature if I could not feel that I was doing something for the good of other people."
"The greatest pleasure in life is to discover something new."
"The beauty of nature is a constant source of inspiration for me."
"The lecturer should give the audience full reason to believe that all his powers have been exerted for their pleasure and instruction."
From his experimental researches, describing his concept of field lines.
Date: 1830s-1840s
WisdomFound in 1 providers: grok
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Faraday is saying the curved patterns iron filings form around a magnet are not just diagrams showing where force exists. They are real physical pathways through which force travels and does work. The lines themselves carry and transmit action across space, rather than simply marking invisible pulls between distant objects. He is elevating the field from a visual aid to a genuine physical entity capable of causing effects.
Faraday discovered electromagnetic induction in 1831 and spent decades mapping how magnets and currents interact. Lacking formal math training, he thought visually, sketching curves of filings and imagining them as tubes of force. This quote captures his signature insight: the field, not action-at-a-distance, is primary. That intuition seeded Maxwell's equations and modern field theory, making Faraday the bridge between experimental magnetism and mathematical physics.
In the 1830s-40s, Newtonian action-at-a-distance dominated physics: forces leapt instantly across empty space between masses or charges. Faraday's insistence on continuous lines filling space was radical and largely dismissed by mathematicians. Meanwhile the Industrial Revolution demanded practical electromagnetism for telegraphs, motors, and generators. His field concept, initially treated as a crutch for a self-taught bookbinder's son, would later be vindicated when Maxwell translated it into rigorous equations in the 1860s.
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