And a device that size detonated at 200-300 miles agl [above ground level] over Kansas would turn the entire North American Continent back to the early 1800’s in under a min. Then 90% of our population would be dead within a year. [as per a fema report to congress (unclassified)]
This is a manmade EMP
Bull. The Soviets did it decades ago. It blew up one transformer.