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  2. G7e torpedo - Wikipedia

    en.wikipedia.org/wiki/G7e_torpedo

    Due to several problems, leading to the German "Torpedokrise" which lasted until the end of 1941, the improved G7e(TIII) took over as the standard electric torpedo used by German U-boats for the rest of the war. G7e torpedoes measured 533.4 mm (21.00 in) in diameter and about 7.2 m (24 ft) in length.

  3. G7 - Wikipedia

    en.wikipedia.org/wiki/G7

    The G7 affirmed to uphold "the free and open international order" based on "the rule of law", and strengthened the G7's outreach to the emerging and developing countries. [136] The long guest list reflects the attempts to woo what many call the "Global South", a term used for developing countries in Asia, Africa and Latin America, all of whom ...

  4. 49th G7 summit - Wikipedia

    en.wikipedia.org/wiki/49th_G7_summit

    On 21 June 2023, the G7 foreign ministers' meeting was held at London to follow the latest information on China and discuss their response. [134] From 24 to 25 June 2023, the G7 Ministerial Meeting on Gender Equality and Women's Empowerment was held in Nikkō in Tochigi Prefecture, and a joint statement was issued. The statement underlines the ...

  5. List of unsolved problems in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating an experiment to test a proposed theory or investigate a phenomenon in greater detail.

  6. Unit commitment problem in electrical power production

    en.wikipedia.org/wiki/Unit_Commitment_Problem_in...

    The unit commitment problem (UC) in electrical power production is a large family of mathematical optimization problems where the production of a set of electrical generators is coordinated in order to achieve some common target, usually either matching the energy demand at minimum cost or maximizing revenue from electricity production.

  7. G8 - Wikipedia

    en.wikipedia.org/wiki/G8

    My answer is, yes. The G8 is a group of like-minded countries that share a belief in free enterprise as the best route to growth. As eight countries making up about half the world's gross domestic product, the standards we set, the commitments we make, and the steps we take can help solve vital global issues , fire up economies and drive ...

  8. Environmental impact of nuclear power - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    The most long-lived radioactive wastes, including spent nuclear fuel, usually must be contained and isolated from the environment for a long period of time. Spent nuclear fuel storage is mostly a problem in the United States, following a 1977 prohibition by then-President Jimmy Carter on nuclear fuel recycling. France, The United Kingdom, and ...

  9. Mercedes-Benz 7G-Tronic transmission - Wikipedia

    en.wikipedia.org/wiki/Mercedes-Benz_7G-Tronic...

    7G-Tronic is Mercedes-Benz's trademark name for its 7-speed automatic transmission, starting off with the W7A 700 and W7A 400 (Wandler-7-Gang-Automatik bis 700 oder 400 Nm Eingangsdrehmoment; converter-7-gear-automatic with 516 or 295 ft·lb maximum input torque; type 722.9) as core models.