411 REFERENCE · Wiktionary
Earnshaw's theorem
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
First proven by British mathematician Samuel Earnshaw in 1842.
Proper noun
en 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.
en eponyms