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Titanic: 'Cost Cutting And Poor Quality Materials Sank The Unsinkable Ship'

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A century on from the sinking of the Titanic, a science writer has examined the cascade of events that led to the demise of the ‘unsinkable’ ship.

Maths and physics played a significant part in the disaster, Richard Corfield reveals in Physics World.

At 11.40 pm on Sunday 14 April 1912 the Titanic, bound from Southampton to New York, struck an iceberg just off the coast of Newfoundland and became fully submerged within three hours, before dropping four kilometres to the bottom of the Atlantic.

There have been many stories recounting why the ship struck the iceberg and why two-thirds of the passengers and crew lost their lives: the lack of lifeboats; the absence of binoculars in the crow's nest; the shortcomings of the radio operator.

However, Corfield takes a more in-depth look at the structural deficiencies of the ship and how these contributed to its demise.

BLOG: What Happened To My Grandfather After The Titanic Sank

Corfield highlights the work of two metallurgists, Tim Foecke and Jennifer Hooper McCarty, who combined their own analysis with historical records from the shipyard in Belfast where the Titanic was built and found that the rivets that held the ship's hull together were not uniform in composition or quality and not been inserted in a uniform fashion.

This meant that, in practice, the region of the Titanic's hull that hit the iceberg was substantially weaker than the main body of the ship – Foecke and McCarty speculate that the poorer-quality materials were used as a cost-cutting exercise.

As well as the actual make-up of the ship, it also appears that the climate thousands of miles away from where the ship sunk may have had a hand in events. At times when the weather is warmer than usual in the Caribbean, the Gulf Stream intersects with the glacier-carrying Labrador Current in the North Atlantic in such a way that icebergs are aligned to form a barrier of ice.

In 1912 the Caribbean experienced an unusually hot summer and so the Gulf Stream was particularly intense; the Titanic hit the iceberg right at the intersection of the Gulf Stream and the Labrador Current.

"No one thing sent the Titanic to the bottom of the North Atlantic. Rather, the ship was ensnared by a perfect storm of circumstances that conspired her to doom," writes Corfield.

The sinking of the vessel, which belonged to the White Star Line shipping company, caused the death of 1,514 men, women and children, making it one of the deadliest peacetime maritime disasters in history.

Passengers on board the ship included some of the world's wealthiest people, including millionaires such as John Jacob Astor IV, Benjamin Guggenheim and Isidor Straus, and thousands of immigrants seeking a new life in America.

View the National Geographic Museum's new exhibition "Titanic: 100 Year Old Obsession".

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