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The next major technological innovation in neon lighting and signs was the development of fluorescent tube coatings. [22] Jacques Risler received a French patent in 1926 for these. [5] Neon signs that use an argon/mercury gas mixture emit a good deal of ultraviolet light. When this light is absorbed by a fluorescent coating, preferably inside ...
By period; Ancient. Ancient Egyptian; Ancient Greek; Medieval; Renaissance; Modern; Contemporary. Analytic; Continental; By region; African. Egypt; Ethiopia; South Africa
Intense pulsed light (IPL) is a technology used by cosmetic and medical practitioners to perform various skin treatments for aesthetic and therapeutic purposes, including hair removal, photorejuvenation (e.g. the treatment of skin pigmentation, sun damage, and thread veins) as well as to alleviate dermatologic diseases such as acne.
"La Lumière à Sénanque" (The Light in Sénanque), [22] a chapter of Cîteaux : commentarii cistercienses, a publication of the Cistercian Order. Its author, Kim Lloveras i Montserrat, made in 1992 a complete study of the abbatial, and argues that the abbatial church was designed using a system of measures founded in the golden ratio, and ...
While indirect lighting can create a diffused and shadow free light effect it can be regarded as an uneconomical lighting principle. [12] [13] Front lighting is also quite common, but tends to make the subject look flat as its casts almost no visible shadows. Lighting from the side is the less common, as it tends to produce glare near eye level.
Researchers are looking to neuroscience for answers behind why the human brain finds artistic works like DaVinci's Mona Lisa so alluring. [1]Neuroesthetics (or neuroaesthetics) is a recent sub-discipline of applied aesthetics.
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.
Aristotle states that mimesis is a natural instinct of humanity that separates humans from animals [10] [12] and that all human artistry "follows the pattern of nature". [10] Because of this, Aristotle believed that each of the mimetic arts possesses what Stephen Halliwell calls "highly structured procedures for the achievement of their purposes."
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