During the early 20th century boom in construction, communication and transportation, the tragedy of the Titanic shocks the world and leaves in its wake a shattered faith in technology.

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Everyone knows the Titanic was big, and we have the hard numbers to prove it. Discover what made it a supersized ship.

Millvina Dean, inspiration for the movie Titanic, shares her survival story.

In this History Channel video experience the Titanic wreck and corroded metal and debris everywhere. These are only a few things that a person will see when he examines what remains of the Titanic Ralph White, a master cinematographer, explains his past and present voyages to the wreckage of the Titanic. With forty years of experience, and ten past expeditions into the dark depths of the ocean, White learns something new every time he studies the remains of the Titanic. Through his research, dives, and discoveries, Ralph White hopes to one day fill in the blanks in history about what really happened to the "unsinkable" ship.

This video clip from 'What Happened After' looks at the life of Fredrick Fleet, the infamous lookout aboard the Titanic who first saw the iceberg that would sink the ship.

When the "unsinkable" ocean liner Titanic was lost after hitting an iceberg on April 15, 1912, lifeboats saved only 700 of her passengers. What did the 1,500 people who went down with the ship experience in the icy waters of the North Atlantic?

In 1912, Titanic only had 37 seconds to avoid an iceberg. Why so little time, was it the lookouts that lacked binoculars, or that a ship can not make such quick turns? William Murdock investigates if Titanic's tragedy could have been avoided. Captain Charles Weeks teaches a course in the history of the Titanic at Maine Maritime Academy, where he challenges his students to seek the truth. Through experimentation, it is discovered that if the Titanic had a five hundred foot warning, it mostly likely could have avoided the iceberg and disaster that followed. A careful look at the lookouts, determines if it was their fault for the crash. The United States Senate launched an investigation into the lookouts where Frederick Fleet, a lookout, testified that he had asked for binoculars in the crows nest, but was informed that he did not need them. Was the sinking of the Titanic to blame on the lookouts or the navigation team, which selected the path of travel for the infamous ship.