October 7, 2011

The Earth core

The earth's core is a remarkable place. Tremendous pressure, insane temperatures, liquid metal storms and raging magnetic fields. A recent horizon episode talked about some mysterious phenomena that have recently been cleared up. One of those was the discovery that earthquake waves travel through the earth faster from north to south than from east to west. In the short clip below you can find out why that is the case.

They have also discovered a sort of Bermuda triangle in space but if you want to find out more about that, you will have to watch the full episode. :p
BBC Horizon - The Core (59 minutes HD)

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