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  2. Earth battery - Wikipedia

    en.wikipedia.org/wiki/Earth_battery

    An earth battery is 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.

  3. Primitive mantle - Wikipedia

    en.wikipedia.org/wiki/Primitive_mantle

    In geochemistry, the primitive mantle (also known as the bulk silicate Earth) is the chemical composition of the Earth's mantle during the developmental stage between core-mantle differentiation and the formation of early continental crust. The chemical composition of the primitive mantle contains characteristics of both the crust and the ...

  4. Telluric current - Wikipedia

    en.wikipedia.org/wiki/Telluric_current

    A telluric current (from Latin tellūs 'earth'), or Earth current, [1] is an electric current that flows underground or through the sea, resulting from natural and human-induced causes. These currents have extremely low frequency and traverse large areas near or at Earth 's surface.

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  6. Aluminium–air battery - Wikipedia

    en.wikipedia.org/wiki/Aluminium–air_battery

    Aluminium is still very cheap compared to other elements used to build batteries. Aluminium costs $2.51 per kilogram while lithium and nickel cost $12.59 and $17.12 per kilogram respectively. However, one other element typically used in aluminium air as a catalyst in the cathode is silver, which costs about $922 per kilogram (2024 prices).

  7. Talk:Earth battery - Wikipedia

    en.wikipedia.org/wiki/Talk:Earth_battery

    Any energy derived from an Earth Battery was put in when the metals were smelted, less many inefficiencies - a net loss for Mother Earth. —Preceding unsigned comment added by Johna (talk • contribs) Johna, that is incorrect. The energy that can be extracted from an earth battery is a result of the chemical potential of the materials involved.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Cheap and Easy Bulk Meals That Will Last All Week - AOL

    www.aol.com/55-big-batch-meals-last-120000772.html

    Mass Production. For busy people, breaking out the recipe book and cooking homemade meals to save money can seem like a hassle. But making large batches once or twice a week and using the ...

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