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  2. Geological history of North America - Wikipedia

    en.wikipedia.org/wiki/Geological_history_of...

    During the ensuing Pennsylvanian, the northward drift of Gondwanaland finally joined the southeastern United States to North America as Pangaea began to form. Mountain building raised the Ancestral Rockies in Colorado, Utah, and Wyoming. Seawaters left the interior of the country. [31] Densely vegetated swamps were widespread. [32]

  3. History of electric power transmission - Wikipedia

    en.wikipedia.org/wiki/History_of_electric_power...

    Voltages used for electric power transmission increased throughout the 20th century. [50] The first "high voltage" AC power station, rated 4-MW 10-kV 85-Hz, was put into service in 1889 by Sebastian Ziani de Ferranti at Deptford, London. [33] The first electric power transmission line in North America operated at 4000 V.

  4. Paleocene - Wikipedia

    en.wikipedia.org/wiki/Paleocene

    The Laramide orogeny, which began in the Late Cretaceous, continued to uplift the Rocky Mountains; it ended at the end of the Paleocene. [53] Because of this and a drop in sea levels resulting from tectonic activity, the Western Interior Seaway, which had divided the continent of North America for much of the Cretaceous, had receded. [54]

  5. List of pre-Columbian inventions and innovations of ...

    en.wikipedia.org/wiki/List_of_pre-Columbian...

    In order to start the electroplating process, the Moche first concocted a very corrosive and a highly acidic liquid solution in which they dissolved small traces of gold. Copper inserted into the resulting acidic solution acted both as a cathode and an anode, generating the electric current needed to start the electroplating process. The gold ...

  6. History of electrical engineering - Wikipedia

    en.wikipedia.org/wiki/History_of_electrical...

    In 1600, the English scientist, William Gilbert extended the study of Cardano on electricity and magnetism, distinguishing the lodestone effect from static electricity produced by rubbing amber. [7] He coined the Neo-Latin word electricus ("of amber" or "like amber", from ήλεκτρον [ elektron ], the Greek word for "amber") to refer to ...

  7. Electricity transformed rural America nearly a century ago ...

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  8. Category:Paleocene North America - Wikipedia

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  9. US energy data agency to track crypto mining power use - AOL

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    (Reuters) -The U.S. Energy Information Administration (EIA) will begin to more closely track electricity consumption by cryptocurrency mining companies operating in the United States, the agency ...