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Most phosphorescent compounds are still relatively fast emitters, with triplet decay-times in the order of milliseconds. Common examples include the phosphor coatings used in fluorescent lamps, where phosphorescence on the order of milliseconds or longer is useful for filling in the "off-time" between AC current cycles, helping to reduce "flicker".
Example of phosphorescence Monochrome monitor Aperture grille CRT phosphors. A phosphor is a substance that exhibits the phenomenon of luminescence; it emits light when exposed to some type of radiant energy.
The woman used as the model for the painting was probably Halil's lover Constance Quéniaux. [172] However, another potential model is Marie-Anne Detourbay, who was also a lover of Halil Şerif Pasha. [173] Japanese sculptor and manga artist Megumi Igarashi has focused much of her work on painting and modelling vulvas and vulva-themed works.
Some models may have changeable genital inserts and other interchangeable parts which permit a unisex model to represent an individual of either sex. [citation needed] Although 3D computer models of anatomy now exist as an alternative, physical anatomical models still have advantages in providing insight into anatomy. [2]
An early example of the body used as an identity marker occurred in the Victorian era, when women wore corsets to help themselves attain the body they wished to possess. [81] Having a tiny waist was a sign of social status, as the wealthier women could afford to dress more extravagantly and sport items such as corsets to increase their physical ...
The male cadaver is from Joseph Paul Jernigan, a 39-year-old Texas murderer who was executed by lethal injection on August 5, 1993. At the prompting of a prison chaplain he had agreed to donate his body for scientific research or medical use, without knowing about the Visible Human Project.
Lists of female models (8 P) V. Victoria's Secret Angels (44 P) This page was last edited on 29 August 2024, at 14:08 (UTC). Text is available under the ...
Most instruction focuses on the use of models in "life drawing" courses. The use of photographic reference—although common since the development of photography—is often criticized or discouraged for its tendency to produce "flat" images that fail to capture the dynamic aspects of the subject. Drawing from imagination is often lauded for the ...