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electromagnetic force

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.03 sec.

electromagnetic force

One of the four known basic forces in the universe. Electromagnetism is responsible for interactions between charged particles that occur because of their charge, and for the emission and absorption of photons (electromagnetic radiation). The phenomena of electricity and magnetism are consequences of this force, and the relationships between them were first described by James Clerk Maxwell in the 1860s. The physical description of electromagnetism has since been combined with quantum mechanics into the theory of quantum electrodynamics. The electromagnetic force is about 1036 times as strong as the gravitational force (see gravitation), but significantly weaker than both the weak force and the strong force.
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For example: Are the four basic forces of nature--the electromagnetic force, the weak force that controls nuclear decays, the strong force that holds atomic nuclei together, and gravity--variations of a single, more fundamental force?
Fit to be tied: impatience with string theory boils over by Weiss, Peter / Science News
They also distributed a colorful brochure extolling the 34th Street district's attributes: the rapid increase in residential construction, the corporate presence, the impending development of the Moynihan Station, and the electromagnetic force of such institutions as the Empire State Building, Macy's and Madison Square Garden.
34th Street district hungry for upscale restaurants by Real Estate Weekly
Electromagnetic force makes the train hover about one-half inch off its guideway and propels it to speeds that can surpass 260 mph.
LOCAL MEN CHECK TRAIN IN SHANGHAI PUBLIC AGENCY PAYS FOR TRIP by Daily News (Los Angeles, CA)
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