The first time the US tested an EMP weapon was a doozy

Wikimedia Commons It was 1962 and only four days after Independence Day, but people living on the islands dotting the Pacific Ocean from Hawaii to New Zealand wereabout to see a light show brighter than any July Fourth fireworks display in history. More ominously, many of those same people wouldget a taste of how a single nuclear weapon could wipe out a nation’s electrical grid – and the U.S. military at the time had no clue how damaging the results would be. Codenamed Starfish Prime, it was...