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  1. In 1859, Gaston Planté invented the lead–acid battery, the first-ever battery that could be recharged by passing a reverse current through it. A lead-acid cell consists of a lead anode and a lead dioxide cathode immersed in sulfuric acid.

  2. en.wikipedia.org › wiki › CD-ROMCD-ROM - Wikipedia

    History. The earliest theoretical work on optical disc storage was done by independent researchers in the United States including David Paul Gregg (1958) and James Russel (1965–1975).

  3. 30 Απρ 2015 · The first true battery was invented by the Italian physicist Alessandro Volta in 1800. Volta stacked discs of copper (Cu) and zinc (Zn) separated by cloth soaked in salty water.

  4. 1881 —J.A. Thiebaut patented the first battery with both the negative electrode and porous pot placed in a zinc cup. 1881 —Carl Gassner invented the first commercially successful dry cell battery (zinc-carbon cell). 1899 —Waldmar Jungner invented the first nickel-cadmium rechargeable battery.

  5. 25 Οκτ 2023 · Daniel cell (1836): English chemist, John Daniel solved the performance degradation of the Voltaic pile in 1836 with the discovery of a two-fluid battery, named a Daniel cell.2 The system, consisted of a glass jar with a zinc anode on top and a copper cathode at the bottom.

  6. 17 Οκτ 2024 · Alessandro Volta, Italian physicist whose invention of the electric battery in 1800 provided the first source of continuous current. The volt, a unit of the electromotive force that drives current, was named in his honor in 1881.

  7. en.wikipedia.org › wiki › Compact_discCompact disc - Wikipedia

    In later years, the compact disc was adapted for non-audio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc (LD).

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