What Lies Beneath

What Lies Beneath

The Hill of Tara is a grand stage, an ancient host of a mélange of ritual performances played out over millennia—perhaps 4,000 years or more—spanning the Neolithic to the early Christian period. Throughout its occupation, each incarnation of beliefs and practices subsumed into its worldview the expression of the former...

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Inside the Fluxgate Gradiometer

Inside the Fluxgate Gradiometer

This article aims to describe in simple terms how a fluxgate operates, its use as a component in a gradiometer or on its own simply to measure the Earth’s or other similarly low magnetic field. There is no such thing as a definitive fluxgate design, there being many variants, each...

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