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  2. Hull speed - Wikipedia

    en.wikipedia.org/wiki/Hull_speed

    Hull speed. Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well. When hull speed is exceeded, a vessel in ...

  3. One Fathom Bank Lighthouse - Wikipedia

    en.wikipedia.org/wiki/One_Fathom_Bank_Lighthouse

    The One Fathom Bank Lighthouse ( Malay: Rumah Api One Fathom Bank or Rumah Api Permatang Sedepa) refers to two offshore lighthouses in the Strait of Malacca, specifically, on a shoal within Malaysian waters, dubbed One Fathom Bank ( Permatang Sedepa ), off the coast of the state of Selangor . The One Fathom Bank station was originally served by ...

  4. FFF system - Wikipedia

    en.wikipedia.org/wiki/FFF_system

    FFF system. The furlong–firkin–fortnight ( FFF) system is a humorous system of units based on unusual or impractical measurements. The length unit of the system is the furlong, the mass unit is the mass of a firkin of water, and the time unit is the fortnight. [1] [2] Like the SI or metre–kilogram–second systems, there are derived units ...

  5. Orbital speed - Wikipedia

    en.wikipedia.org/wiki/Orbital_speed

    t. e. In gravitationally bound systems, the orbital speed of an astronomical body or object (e.g. planet, moon, artificial satellite, spacecraft, or star) is the speed at which it orbits around either the barycenter or, if one body is much more massive than the other bodies of the system combined, its speed relative to the center of mass of the ...

  6. Rear flank downdraft - Wikipedia

    en.wikipedia.org/wiki/Rear_flank_downdraft

    The rear flank downdraft ( RFD) is a region of dry air wrapping around the back of a mesocyclone in a supercell thunderstorm. [1] These areas of descending air are thought to be essential in the production of many supercellular tornadoes. Large hail within the rear flank downdraft often shows up brightly as a hook on weather radar images ...

  7. Engine order telegraph - Wikipedia

    en.wikipedia.org/wiki/Engine_order_telegraph

    Engine order telegraph. An engine order telegraph or E.O.T., also referred to as a Chadburn, [1] is a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.

  8. Battle off Samar - Wikipedia

    en.wikipedia.org/wiki/Battle_off_Samar

    2,700+ killed and wounded [2] The Battle off Samar was the centermost action of the Battle of Leyte Gulf, one of the largest naval battles in history, which took place in the Philippine Sea off Samar Island, in the Philippines on October 25, 1944. It was the only major action in the larger battle in which the Americans were largely unprepared.

  9. 18 Effective Tips to Lose Belly Fat (Backed by Science)

    www.healthline.com/nutrition/20-tips-to-lose...

    High protein foods, such as fish, lean meat, and beans, may be beneficial if you’re trying to decrease belly fat. 5. Reduce your stress levels. Stress can make you gain belly fat by triggering ...