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It can be seen by shining the beam of a small bright light through the pupil from the periphery of a subject's vision. This results in an image of the light being focused on the periphery of the retina. Light from this spot then casts shadows of the blood vessels (which lie on top of the retina) onto unadapted portions of the retina.
Imageability is a measure of how easily a physical object, word or environment will evoke a clear mental image in the mind of any person observing it. [1] [2] It is used in architecture and city planning, in psycholinguistics, [3] and in automated computer vision research. [4]
An artist's representation of how some people may see phosphenes by retinal stimulation. A phosphene is the phenomenon of seeing light without light entering the eye. The word phosphene comes from the Greek words phos (light) and phainein (to show). Phosphenes that are induced by movement or sound may be associated with optic neuritis. [1] [2]
Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
The re-analyzed pictures shed new light on why the bridge fell, suggesting that design flaws and defects in the cast iron columns which supported the centre section led directly to the catastrophic failure. Alternative explanations such as that the bridge was blown down by the wind during the storm that night, or that the train derailed and hit ...
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He is the Shinto monkey deity who is said to shed light on Heaven and Earth. Some experts theorize that Sarutahiko was a sun god worshiped in the Ise region prior to the popularization of Amaterasu. Buddhism long held that the Tengu were disruptive demons and harbingers of war. Their image gradually softened, however, into one of protective, if ...