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  2. Shield of the Trinity - Wikipedia

    en.wikipedia.org/wiki/Shield_of_the_Trinity

    Basic "Shield of the Trinity" diagram. The Shield of the Trinity or Scutum Fidei ( Latin for "shield of faith") is a traditional Christian visual symbol which expresses many aspects of the doctrine of the Trinity, summarizing the first part of the Athanasian Creed in a compact diagram. In late medieval Europe, this emblem was considered to be ...

  3. List of battery types - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_types

    A Duracell AA size alkaline cell, one of the many types of battery. This list is a summary of notable electric battery types composed of one or more electrochemical cells. Three lists are provided in the table. The primary (non-rechargeable) and secondary (rechargeable) cell lists are lists of battery chemistry.

  4. Linux - Wikipedia

    en.wikipedia.org/wiki/Linux

    It starts processes such as system services and login prompts (whether graphical or in terminal mode). Software libraries, which contain code that can be used by running processes. On Linux systems using ELF-format executable files, the dynamic linker that manages the use of dynamic libraries is known as ld-linux.so.

  5. Sperm - Wikipedia

    en.wikipedia.org/wiki/Sperm

    Sperm. Diagram of a human sperm cell. Sperm ( pl.: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one). Animals produce motile sperm with a tail known as a flagellum, which are known as spermatozoa, while some ...

  6. Mobile operating system - Wikipedia

    en.wikipedia.org/wiki/Mobile_operating_system

    A mobile operating system is an operating system used for smartphones, tablets, smartwatches, smartglasses, or other non-laptop personal mobile computing devices. While computers such as typical/mobile laptops are "mobile", the operating systems used on them are generally not considered mobile, as they were originally designed for desktop ...

  7. Nerve net - Wikipedia

    en.wikipedia.org/wiki/Nerve_net

    Nerve net. A nerve net consists of interconnected neurons lacking a brain or any form of cephalization. While organisms with bilateral body symmetry are normally associated with a condensation of neurons or, in more advanced forms, a central nervous system, organisms with radial symmetry are associated with nerve nets, and are found in members ...

  8. Mobile technology - Wikipedia

    en.wikipedia.org/wiki/Mobile_technology

    Transparent mobile phones use special switchable glass technology. Once the electrically controlled glass is activated by a current through a transparent wire, these molecules will rearrange to form text, icons and other images. Chip phone. The idea is that a cell phone can be made directly at the chip level and implanted in the body.

  9. Fuel cell - Wikipedia

    en.wikipedia.org/wiki/Fuel_cell

    Scheme of a proton-conducting fuel cell. A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) [1] into electricity through a pair of redox reactions. [2] Fuel cells are different from most batteries in requiring a continuous source of fuel and oxygen (usually ...