The invisible reach of high-altitude nuclear explosions
In short: This video explores the devastating consequences of a high-altitude electromagnetic pulse (HEMP). It examines how a single nuclear detonation in the atmosphere can cripple modern infrastructure, offering a sobering look at our technological vulnerabilities.
The footage illustrates the mechanics of a HEMP, an atmospheric phenomenon that generates a massive burst of electromagnetic energy. This pulse is capable of overwhelming and destroying electrical grids across vast distances.
By visualizing these effects, National Geographic highlights how modern civilization's reliance on electricity makes it susceptible to high-altitude events, moving beyond immediate blast zones to systemic technological collapse.
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Sources
- Summary by Intellect · source: Nuclear Explosion in the Sky | National Geographic
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