A solar flare in 1859 was the equivalent of 10 billion atomic bombs resulting in a massive geomagnetic storm. There was no huge power grid at the time but there was a long-line network of telegraphs.

Electromagnetic pulse (EMP) weapons might be a staple of movies and video games, but they pose a very real threat. With just about every facet of modern society reliant on electronic devices, Sandia ...

Washington is so dishonest and incompetent that it may not be able to save itself — and the American people — from the existential threat that is electromagnetic pulse (EMP). The Congressional EMP ...