The NO that prevented World War 3 + Interesting Jobs + Teach what you love

The difficulty and importance of saying no

After midnight, on September 26 1983, Moscow’s secret command center detected a grave warning. The red screen across the room from Lt. Colonel Stanislav Petrov's glass-walled office, usually blank, flashed START. The computer detected (100% probability) that the United States had just launched a single intercontinental ballistic missile at the Soviet Un…