"Earnshaw's theorem" meaning in English

{
  "etymology_text": "First proven by British mathematician Samuel Earnshaw in 1842.",
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  "lang_code": "en",
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      "glosses": [
        "A theorem stating that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges."
      ],
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      "raw_glosses": [
        "(physics) A theorem stating that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
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  "word": "Earnshaw's theorem"
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{
  "etymology_text": "First proven by British mathematician Samuel Earnshaw in 1842.",
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  "lang_code": "en",
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        "en:Physics"
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      "glosses": [
        "A theorem stating that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges."
      ],
      "links": [
        [
          "physics",
          "physics"
        ]
      ],
      "raw_glosses": [
        "(physics) A theorem stating that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "Earnshaw's theorem"
}