Quote: in radiation, the lines of force exist independently of other bodies; may be modified, bounded, propagate over time

topics > all references > references e-f > QuoteRef: faraM_1855 , p. 409 [June 1832]

electromagnetic field


3247. When we turn to radiation phenomena, then we obtain the highest proof, that though nothing ponderable passes, yet the lines of force have a physical existence independent, in a manner, of the body radiating, or of the body receiving the rays. They may be turned aside in their course ... [They may be] turned on their axis ... Their sum of power is limited ... The lines have no dependence upon a second or reacting body, as in gravitation; and they require time for their propagation.   Google-1   Google-2

Published before 1923

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