The giant hydrogen bomb detonated on the ABC hit show, Lost, in its season finale this week really existed. It really was called "Jughead." Constructed in 1954, it was never actually exploded, leaving space for Lost's writers to whisk it away to the mystery island.

As fans of Lost, we were amused to have the 40,000-pound thermonuclear device make its appearance in season five of the show. Jughead,...