Watch Tech Effect

Due to an incorrect map, 9 miners broke into an abandoned mine-filled with water-where they were trapped 230-feet below surface, for 77 hours. Examine the innovations that brought their safe return.

After a dry Chicago summer-already plagued by fires-a cow kicked over a lantern & set the city on fire. Examine the Chicago Fire Department's methods & discover what went wrong on that fateful day.

After the sneak attack on Pearl Harbor in 1941, a formerly "neutral" and severely crippled U.S. entered WWII. But Japan brought specialized technology with them to Pearl Harbor.

St. Valentine's Day, 1929. While many Chicagoans enjoyed a romantic evening, a brutal scene ensued at SMC Cartage Company Garage.

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.

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.

In 1942, under extraordinary secrecy, the U.S. government brings top scientists together to work on the Manhattan Project. Three years of technological advancements explode over Hiroshima.

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.