That bomb had a yield of 1.4 megatons - miniscule in comparison to today's nukes - but the EMP blast still disrupted electrical and communication systems in Hawaii over 500 miles away from the ...

President-elect Donald Trump appeared to take the threat of an EMP missile seriously during his last term in office when he ...

Chinese, Russian, Japanese, and other satellites would become useless. The resulting EMP blast would fry electronics all over the western hemisphere in a truly international attack against humanity.

EMP is an intensive wave of electrical energy ... and computer systems within a radius of hundreds of kilometers of the blast site for up to several months. If the detonation is in the air ...