Electromagnetic Pulse Attack Would Devastate Hawaii

A high-altitude nuclear explosion causing a massive electromagnetic pulse (EMP), waves of energy spreading across a vast area, disabling electronics and power grids instantly.

U.S. Urged to Rapidly Prepare for Electromagnetic Pulse Attack

An electromagnetic pulse, or EMP, is one of the most misunderstood yet devastating threats to modern civilization. It is not science fiction. It is physics. When a nuclear weapon detonates high above the Earth’s surface, typically between 25 and 250 miles up, it releases a massive burst of electromagnetic energy. That wave travels at the speed of light, frying electronics, communication systems, and power grids across vast areas in an instant. Unlike a normal explosion, an EMP does not destroy b