Earnshaw's theorem | Article about Earnshaw's theorem by The Free Dictionary
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Earnshaw's theorem[′ərn‚shȯz ‚thir·əm]
The theorem that a charge cannot be held in stable equilibrium by an electrostatic field.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
A 157-year-old principle known as Earnshaw's theorem
stipulates that no arrangement of magnets can make them stay in a stable equilibrium, says Andre K.