Radioflash May 2026

: The term emerged in the early 1950s in the UK and Soviet Union to describe the distinct "click" heard on radio receivers during nuclear detonations.

Early name for an Electromagnetic Pulse (EMP) from nuclear bursts. Radioflash

The name has been widely adopted in popular culture, most notably in the survival thriller genre. A post-apocalyptic thriller directed by Ben McPherson. : The term emerged in the early 1950s