Causes of False Missile Alerts: The Sun, the Moon and a 46-Cent Chip

Every decade since the dawn of the nuclear age has seen its share of erroneous alarms, experts said. We revisit a few of them.

As strange, serious and scary as the erroneous emergency notification Saturday about a missile attack against Hawaii may have been, it was far from the first such false alarm the country has faced.Every decade since the dawn of the nuclear age has seen its share of close calls, experts said. During the Cold War, the government routinely dealt with hundreds of anomalies that could have led to a nuclear launch.But it is rare for a false alert about an impending missile attack to actually reach ...