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  2. Aether theories - Wikipedia

    en.wikipedia.org/wiki/Aether_theories

    In the 19th century, luminiferous aether (or ether), meaning light-bearing aether, was a theorized medium for the propagation of light. James Clerk Maxwell developed a model to explain electric and magnetic phenomena using the aether, a model that led to what are now called Maxwell's equations and the understanding that light is an ...

  3. Spoon theory - Wikipedia

    en.wikipedia.org/wiki/Spoon_theory

    Spoons are used as a metaphor and visual representation for energy rationing. Spoon theory is a metaphor describing the amount of physical or mental energy that a person has available for daily activities and tasks, and how it can become limited. The term was coined in a 2003 essay by American writer Christine Miserandino.

  4. Spaceship Earth - Wikipedia

    en.wikipedia.org/wiki/Spaceship_Earth

    The world is a raft sailing through space with, potentially, plenty of provisions for everybody; the idea that we must all cooperate and see to it that everyone does his fair share of the work and gets his fair share of the provisions seems so blatantly obvious that one would say that no one could possibly fail to accept it unless he had some ...

  5. Metaphysics - Wikipedia

    en.wikipedia.org/wiki/Metaphysics

    Metaphysics is the study of the most general features of reality, including existence, objects and their properties, possibility and necessity, space and time, change, causation, and the relation between matter and mind.

  6. Luminiferous aether - Wikipedia

    en.wikipedia.org/wiki/Luminiferous_aether

    Luminiferous aether or ether [1] (luminiferous meaning 'light-bearing') was the postulated medium for the propagation of light. [2] It was invoked to explain the ability of the apparently wave-based light to propagate through empty space (a vacuum), something that waves should not be able to do. The assumption of a spatial plenum (space ...

  7. Sociology of space - Wikipedia

    en.wikipedia.org/wiki/Sociology_of_space

    Third space is the image space that refers to the process whereby the images has produced new kind of space. The images may be in different form and shape; ranging from painting to photograph, from portrait to post card, and from religious theme to entertainment.

  8. Philosophy of space and time - Wikipedia

    en.wikipedia.org/wiki/Philosophy_of_space_and_time

    Philosophy of space and time is the branch of philosophy concerned with the issues surrounding the ontology and epistemology of space and time. While such ideas have been central to philosophy from its inception, the philosophy of space and time was both an inspiration for and a central aspect of early analytic philosophy. The subject focuses ...

  9. Space - Wikipedia

    en.wikipedia.org/wiki/Space

    Debates concerning the nature, essence and the mode of existence of space date back to antiquity; namely, to treatises like the Timaeus of Plato, or Socrates in his reflections on what the Greeks called khôra (i.e. "space"), or in the Physics of Aristotle (Book IV, Delta) in the definition of topos (i.e. place), or in the later "geometrical conception of place" as "space qua extension" in the ...