"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 ...

Talk of replacing the American nuclear umbrella over Europe with the small British and French nuclear armories is in the air, ...

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 ...