Topic: Particle physics

Researchers Propose New Way to Probe Earth's Deep Interior

Feb. 21, 2013

[caption id="attachment_39156" align="alignright" width="300" caption="The picture depicts the long-range spin-spin interaction (blue wavy lines) in which the spin-sensitive detector on Earth's surface interacts with geoelectrons (red dots) deep in Earth's mantle. The arrows on the geoelectrons indicate their spin orientations, opposite that of Earth's magnetic field lines (white arcs). Illustration: Marc Airhart (University of Texas at Austin) and Steve Jacobsen (Northwestern University)."]Schematic of Earth's magnetic field, geoelectrons deep in the mantle, and a new force that might connect them to a detector at the surface[/caption]

Researchers from Amherst College and The University of Texas at Austin have described a new technique that might one day reveal in higher detail than ever before the composition and characteristics of the deep Earth.

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