North Korea is in the news, so here is an EMP piece I wrote just a few years ago.
You need to know the answer to that because you are going to hear a lot of nonsense from both sides in the following weeks in the news cycle and I thought it best to educate my faithful five on the issue.
An EMP is a nuclear warhead, designed to put out a large Electromagnetic pulse instead of a large heat or blast wave. This pulse will travel through the surrounding environment like a huge radio wave, and all things electronic, which are essentially radio wave conductors and/or amplifiers, get swamped by this wave and small circuitry can fry right on the chip or board and larger circuitry is even vulnerable, especially within a certain radius of the actual EMP wave, which is a form of light therefore line of sight. Hence a high atmospheric explosion of this type, is much more effective and disables a far bigger area than…
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