The topic of nuclear electromagnetic pulse (EMP) is very mysterious to most people, and it is quite commonly misunderstood. It is also the subject of a large amount of misinformation. (It is a persistent problem that many people want to ignore the science and make it into a political issue.) There are many additional EMP pages on this site, including separate pages on EMP personal protection, Soviet nuclear EMP tests in 1962, and on other EMP related topics including a separate page of notes and technical references. Much of the information here describes the possible effects of EMP on the continental United States, but the information can be used to describe the effects on any industrialized country.
In testimony before the United States Congress House Armed Services Committee on October 7, 1999, the eminent physicist Dr. Lowell Wood, in talking about Starfish Prime and the related EMP-producing nuclear tests in 1962, stated,