electromagnetic pulse

1. A short-duration burst of high-intensity electromagnetic radiation generated by a physical event, in particular by a large thermonuclear explosion in the atmosphere. The pulse causes a damaging surge of voltage within electrical and electronic systems.

   elektromagnetischer Impuls, elektromagnetischer Puls

   электромагни́тный и́мпульсelektromagnítnyj ímpulʹs

   електромагні́тний і́мпульсelektromahnítnyj ímpulʹs

2. Compton-recoil electrons and photoelectrons from photons scattered in the materials of a nuclear event causing electric and magnetic fields to couple with electrical and electronic systems to produce damaging current surges.

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• EMPalternative initialism