Green | November 23, 2007 | 0 comments

Giant 'IceCube' could take snaps of Earth’s core

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TheRealEdwin
From New Scientist, a link to a story about an imaging machine--buried in ice at the South Pole. Here's an excerpt:

A giant imaging machine buried in ice at the South Pole could one day create pictures of the Earth’s core...Currently under construction, IceCube is designed to detect subatomic particles called neutrinos, which are so evasive that they can slip quite easily through the body of the planet.

The machine consists of thousands of detectors and will eventually fill a cubic kilometre of ice. The detectors look downwards, watching for the distinctive flash of blue light that means a neutrino has come through most of the planet only to get snagged in the Antarctic ice.

The main aim is to look for neutrinos from exotic objects in deep space, such as the giant black holes in galactic cores, using the bulk of the Earth as a shield to screen out unwanted noise from other cosmic particles.

Read about it here.
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