🌐EnglishEnglishEspañolPortuguês한국어中文日本語EntityQ5128325· pop 8· linked from 149 articlesclassical electromagnetism and special relativityrelationship between relativity and pre-quantum electromagnetismAvailable in 7 languagesEspañolPortuguêsCatalanFinnishHebrew한국어via Wikidata sitelinks · CC0Connectionselectromagnetic four-potentialEntitymagnetic fieldEntityCategoriesElectromagnetismSpecial relativity