An electromagnetic pulse (EMP), which would result from a single, crude nuclear weapon detonated in space above America, represents a very real and potentially disastrous asymmetric threat, according ...

Iranian operatives recently claimed they given Hezbollah militants an EMP weapon. A powerful EMP, as Iran claims, could damage Israel's communications and power grid. "It is reasonable to assume that ...

Key point: EMPs aren’t powerful enough to cause a ton of damage, but the nukes that could cause them are a real problem. Few weapons are as scary as those that exist only in our minds. A few years ago ...

Imagine a single weapon that, if detonated 25 miles above Maryland, could damage and destroy electronic systems across the entire state, including neighboring Washington, D.C. Imagine if power grids ...

Author’s Note: This article is not to advocate North Korea conducting an atmosphere nuclear test, but simply to illustrate the possible unintended consequences of an alternative attack that actually ...

The first major U.S. military attempt to explore electrical effects in the upper atmosphere was a brutal, secretive and unsettling affair. It came in 1962, with a hydrogen bomb test called Starfish ...

A new report from the Department of Homeland Security’s Science and Technology Directorate says critical infrastructure sectors need to harden physical protection for mission-critical equipment ...

Key Point: An EMP could be catastrophic, much more so than a traditional nuclear attack. Analysts like Jack Liu and Jeffrey Lewis are to be commended for their interest in educating the public about ...