From my understanding when a magnetic field passes through a coil it generates a current. What prevents us from being able to create a coil that can harness earths magnetic field to generate a current/electricity? Would it need to be huge? Is the earths magnetic field to low? Idk I’ve been thinking about it a lot recently and I just don’t understand why it wouldn’t work.
In: Planetary Science
Earth Batteries might fit the bill. Stick some poles in the ground in the right orientation and harness the Earth’s electric currents. Also seemingly works at sea.
https://en.wikipedia.org/wiki/Earth_battery
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