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IB Geography: Changing space - the shrinking world: Internet growth - Cables

A guide to resources on the shrinking world for your IB geography course, compiled by your librarians.

World wide web

The world wide web relies on cables to function so those cables are essential for global communication through the internet.  

This video (from Commoncraft) explains in plain English how the world wide web works.

History of trans-Atlantic cables

This video gives a brief introduction to the very first trans-Atlantic cable that was laid in 1858.  Cables enabled communication with Europe and had a huge impact on the United States who had previously been isolated from the rest of the world.

Fibre optic internet cables

This video explains how underwater internet cables are laid.

Submarine cables and the oceans

Cable maps

Click on the image for an interactive cable map of the world.

Consequences of broken cables

In March 2013 three fiber-optic cables off the coast of Egypt were cut, this resulted in about 1 billion people in Europe, Africa, and Asia experiencing up to 60 percent slower Internet connections.

Click on the image above to access an interactive map highlighting the kind of issues that can arise when cables are damaged.

In your text books...

In the Senior Library