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  2. Phenomenon - Wikipedia

    en.wikipedia.org/wiki/Phenomenon

    A phenomenon (pl.: phenomena), sometimes spelled phaenomenon, is an observable event. [1] The term came into its modern philosophical usage through Immanuel Kant , who contrasted it with the noumenon , which cannot be directly observed.

  3. List of natural phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_natural_phenomena

    An aurora is a natural phenomenon. A natural phenomenon is an observable event which is not man-made. Examples include: sunrise , weather , fog , thunder , tornadoes ; biological processes , decomposition , germination ; physical processes , wave propagation , erosion ; tidal flow , and natural disasters such as electromagnetic pulses ...

  4. Sun dog - Wikipedia

    en.wikipedia.org/wiki/Sun_dog

    The phenomena [sic] of false suns which sometimes attend or dog the true when seen through the mist (parhelions). In Norfolk a sun-dog is a light spot near the sun, and water-dogs are the light watery clouds; dog here is no doubt the same word as dag , dew or mist as "a little dag of rain" ( Philolog.

  5. Halo (optical phenomenon) - Wikipedia

    en.wikipedia.org/wiki/Halo_(optical_phenomenon)

    A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') [1] is an optical phenomenon produced by light (typically from the Sun or Moon) interacting with ice crystals suspended in the atmosphere. Halos can have many forms, ranging from colored or white rings to arcs and spots in the sky.

  6. List of cognitive biases - Wikipedia

    en.wikipedia.org/wiki/List_of_cognitive_biases

    The phenomenon whereby others' expectations of a target person affect the target person's performance. Reactance The urge to do the opposite of what someone wants one to do out of a need to resist a perceived attempt to constrain one's freedom of choice (see also Reverse psychology ).

  7. List of psychological effects - Wikipedia

    en.wikipedia.org/wiki/List_of_psychological_effects

    Ambiguity effect; Assembly bonus effect; Audience effect; Baader–Meinhof effect; Barnum effect; Bezold effect; Birthday-number effect; Boomerang effect; Bouba/kiki effect

  8. List of Internet phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_phenomena

    This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. Internet An Opte Project visualization of routing paths through a portion of the Internet General Access Activism Censorship Data activism Democracy Digital divide Digital rights Freedom Freedom of information Internet phenomena Net ...

  9. Mirage - Wikipedia

    en.wikipedia.org/wiki/Mirage

    A mirage is a naturally-occurring optical phenomenon in which light rays bend via refraction to produce a displaced image of distant objects or the sky. [1] The word comes to English via the French (se) mirer, from the Latin mirari, meaning "to look at, to wonder at". [2]