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  2. Stereotypes of white Americans - Wikipedia

    en.wikipedia.org/wiki/Stereotypes_of_white_Americans

    Stereotypes of white Americans have been shown to vary according to socioeconomic status. [ 1] In general, stereotypes of white people portray upper class white Americans as WASPs and they portray lower class white Americans as "backward", "barely-educated" rednecks. [ 8] Rednecks, conversely are seen as "racist, hot-headed, too physical ...

  3. Concerns and controversies at the 2024 Summer Olympics ...

    en.wikipedia.org/wiki/Concerns_and_controversies...

    There was significant criticism directed at NOC*NSF for the selection. Advisors on safety in sport said the Dutch nonchalance towards the selection was concerning, and that Van de Velde's participation "sends a dangerous message that medals and money mean more than [the] safety [of minors in sports]."

  4. List of emoticons - Wikipedia

    en.wikipedia.org/wiki/List_of_emoticons

    This is a list of emoticons or textual portrayals of a writer's moods or facial expressions in the form of icons. Originally, these icons consisted of ASCII art, and later, Shift JIS art and Unicode art. In recent times, graphical icons, both static and animated, have joined the traditional text-based emoticons; these are commonly known as emoji.

  5. Omen - Wikipedia

    en.wikipedia.org/wiki/Omen

    Explanations in English were added to this manuscript by a nineteenth-century American missionary. [ 1] An omen (also called portent) is a phenomenon that is believed to foretell the future, often signifying the advent of change. [ 2] It was commonly believed in ancient times, and still believed by some today, that omens bring divine messages ...

  6. Anaglyph 3D - Wikipedia

    en.wikipedia.org/wiki/Anaglyph_3D

    If you view the image with red-cyan 3D glasses, the text will alternate between Red and Blue. 3D red cyan glasses are recommended to view this image correctly. Anaglyph 3D is the stereoscopic 3D effect achieved by means of encoding each eye's image using filters of different (usually chromatically opposite) colors, typically red and cyan ...

  7. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image. A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours.

  8. Gamma ray - Wikipedia

    en.wikipedia.org/wiki/Gamma_ray

    A gamma ray, also known as gamma radiation (symbol. γ. ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays. With frequencies above 30 exahertz ( 3 × 1019 Hz) and wavelengths less than 10 ...

  9. Radiation - Wikipedia

    en.wikipedia.org/wiki/Radiation

    In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or a material medium. [ 1][ 2] This includes: electromagnetic radiation consists of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma radiation (γ) particle radiation consists of ...