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  2. History of cell membrane theory - Wikipedia

    en.wikipedia.org/wiki/History_of_cell_membrane...

    This was not the first proposal of a heterogeneous membrane structure. Indeed, as early as 1904 Nathansohn proposed a “mosaic” of water permeable and impermeable regions. [20] But the fluid mosaic model was the first to correctly incorporate fluidity, membrane channels and multiple modes of protein/bilayer coupling into one theory.

  3. Accident triangle - Wikipedia

    en.wikipedia.org/wiki/Accident_triangle

    The triangle shows a relationship between the number of accidents resulting in serious injury, minor injuries or no injuries. The relationship was first proposed in 1931 by Herbert William Heinrich in his Industrial Accident Prevention: A Scientific Approach. [1] Heinrich was a pioneer in the field of workplace health and safety.

  4. Double Diamond (design process model) - Wikipedia

    en.wikipedia.org/wiki/Double_Diamond_(design...

    The Design Council's visual representation of their Double Diamond design and innovation process. Double Diamond is the name of a design process model popularized by the British Design Council in 2005. [1] The process was adapted from the divergence-convergence model proposed in 1996 by Hungarian-American linguist Béla H. Bánáthy.

  5. Fluid mosaic model - Wikipedia

    en.wikipedia.org/wiki/Fluid_mosaic_model

    The biological model, which was devised by Seymour Jonathan Singer and Garth L. Nicolson in 1972, [1] describes the cell membrane as a two-dimensional liquid where embedded proteins are generally randomly distributed. For example, it is stated that "A prediction of the fluid mosaic model is that the two-dimensional long-range distribution of ...

  6. Robert Heinich - Wikipedia

    en.wikipedia.org/wiki/Robert_Heinich

    According to Heinich, the model "incorporates Robert Gagne's Events of Instruction to assure effective use of media in instruction". [4] The purpose of this model was to guide the integration of technology into school curriculum in the most effective way and it gained mainstream popularity for its popularity among educators.

  7. This 2,300-year-old mosaic made of shells and coral has just ...

    www.aol.com/news/2300-old-mosaic-made-shells...

    Estimated to be around 2,300-years-old, the work is part of a larger aristocratic mansion located near the Roman Forum, which has been under excavation since 2018.

  8. Big design up front - Wikipedia

    en.wikipedia.org/wiki/Big_Design_Up_Front

    Big design up front (BDUF) is a software development approach in which the program's design is to be completed and perfected before that program's implementation is started. It is often associated with the waterfall model of software development. Synonyms for big design up front (BDUF) are big modeling up front (BMUF) and big requirements up ...

  9. Porsche 547 engine - Wikipedia

    en.wikipedia.org/wiki/Porsche_547_engine

    This meant that Porsche could use their F2 cars almost unchanged in F1. The 787 would not get the eight-cylinder though, continuing with the air-cooled, DOHC four-cylinder Type 547 boxer engine that had been developed by Ernst Fuhrmann and that had powered the 550 Spyders and 718 series