telluric currents
1Telluric current — A telluric current (from Latin tellūs , earth ) is an electric current which moves underground or through the sea. Telluric currents result from both natural causes and human activity, and the discrete currents interact in a complex pattern. The… …
2telluric current — ▪ geophysics also called Earth Current, natural electric current flowing on and beneath the surface of the Earth and generally following a direction parallel to the Earth s surface. Telluric currents arise from charges moving to attain… …
3Earth battery — An Earth battery is composed of a pair of electrodes made of two dissimilar metals, such as iron and copper, which are buried in the soil or immersed in the sea. A device that is placed in water is labeled a sea battery . It can act as a receiver …
4Magnetotellurics — Magnetotelluric station Magnetotellurics (MT) is an electromagnetic geophysical method of imaging the earth s subsurface by measuring natural variations of electrical and magnetic fields at the Earth s surface. Investigation depth ranges from… …
5Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
6Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …
7Foucault's Pendulum — infobox Book | name = Foucault s Pendulum title orig = Il pendolo di Foucault translator = William Weaver image caption = Cover of 1989 Picador edition author = Umberto Eco cover artist = country = Italy language = Italian series = genre =… …
8Outline of geophysics — Seismic velocities and boundaries in the interior of the Earth sampled by seismic waves. The following outline is provided as an overview of and topical guide to geophysics: Geophysics – the physics of the Earth and its environment in space; also …
9Ley line — Ley lines are hypothetical alignments of a number of places of geographical interest, such as ancient monuments and megaliths. Their existence was suggested in 1921 by the amateur archaeologist Alfred Watkins, whose book The Old Straight Track… …
10Moses G. Farmer — Moses Gerrish Farmer (February 9, 1820 – May 25, 1893) was an electrical engineer and inventor. Farmer was a member to the AIEE, later known as the IEEE. Biography He was born at Boscawen, New Hampshire. He received his schooling at Philips… …
