Tech Effect

Look back at the technological advancements that allowed the U.S. to meet President Kennedy's 1961 challenge to put a man on the moon in just eight years.

On an icy Christmas night in 1776, General George Washington leads his troops across the treacherous Delaware River -- a decision that will become a turning point in the American Revolution.

Take a closer look at the many technologies needed for the United States' U-2 spy plane and the Soviets' SA-2 surface-to-air missile to meet on May Day 1960.

Examine what brought Al Capone to his knees after the St. Valentine's Day Massacre, including the camera that captured its bloody aftermath and printing presses that reproduced it nationwide.