North Korea recently bragged that it had built a hydrogen bomb, a claim that was met with the kind of skepticism that greets most claims out of the repressive regime. Still, it would be scary if true. DNews explains how h-bombs do their deadly work.
North Korea says it has successfully tested a miniature hydrogen bomb -- if confirmed, the country would be among a small group with such dangerous weapons.
The sensor was able to detect explosive chemicals up to 15 feet away.
Drones can detect unexploded bombs, missiles and mines off U.S. shores.
A "combat codpiece" protects the pelvic region from roadside bombs.