"This is a very real threat," he said. "EMP is generated when a small nuclear weapon, 40 to 60 kilotons or about three times the size of a Hiroshima bomb, is detonated 200 miles out in space above ...

A “Golden Dome” missile defense shield designed to detect, track and intercept incoming ballistic weapons would offer the ...

Narrator: Imagine if we detonated a nuclear bomb in space ... giant fireball and created a burst of energy called an electromagnetic pulse, or EMP, that expanded for over 1,000 kilometers.

Worst case: an EMP burst, with electric and magnetic pulses ... You can see why Iran cannot have a nuclear weapon. America’s B-2 stealth bomber stands ready to make sure it never happens.

EMP stands for “electromagnetic pulse ... the highly credible threat of an American nuclear attack in this hair-trigger situation would likely cause them to stand down this time and ...

EMP is an intensive wave of electrical energy generated when a nuclear weapon is detonated. The powerful magnetic pulse paralyzes almost all electronic devices and computer systems within a radius ...

The workers, whose agency oversees the nation’s nuclear stockpile, had been fired on Thursday and lost access to their federal government email accounts.

"This is a very real threat," he said. "EMP is generated when a small nuclear weapon, 40 to 60 kilotons or about three times the size of a Hiroshima bomb, is detonated 200 miles out in space above the ...