The New Encyclopaedia Britannica
Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries - 934 pages
 Propaedia: outline of knowledge and guide to the Britannica.--- Micropaedia: ready reference and index.--- Macropaedia: knowledge in depth.
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Already in 1752, the Swiss-born mathematician and physicist Leonhard Euler
had envisioned all electrical, light, and ... He fur- force ther postulated, with
remarkable insight, that light consists of electric and magnetic lines of force in
Electricity and magnetism. First conceived of as distinctive phenomena, electricity
and magnetism are subsumed under the term electromagnetism, which treats the
interactions of particles having the physical property of electric charge.
If a uniform electric field (E) is applied at right angles to the direction of the
magnetic field, the guiding centre drifts with a uniform velocity of magnitude equal
to the ratio of the electric to the magnetic field (E/B), at right angles to both the
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review