Assertion: magnetic field's core | /r/CapableOf | inhibit magnetic reversals
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Source sentences:
text: According to the lead author of the study, Gary Glatzmaier, of University of California Santa Cruz: “Our solution shows how convection in the fluid outer core is continually trying to reverse the field but that the solid inner core inhibits magnetic reversals because the field in the inner core can only change on the much longer time scale of diffusion.