Manhattan Project goes really, really wrong

This is for a project where the electromagnetic pulse (EMP) from early US atomic bomb tests is somehow much more magnified than the destructive blast- so much so that it destroys electrical devices all over the globe (for the moment how is a mystery). The questions I have about this include the following:

1) Roughly how long would it take society to rebuild its technology, assuming it even can (the post apoc tag might not apply, I included it because in earlier drafts the society that followed remained fairly low-tech)?

2) The gritty details involving the atomic tests at the time were likely classified- how do I make sure people within and without American borders connect the disaster to the testing and hold the US responsible (In all likelihood outside forces tampering with the bombs contributed to this effect but most people wouldn't know that)?

posted about 8 years ago

king of panes‭

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