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Abney effect

1 The slight change in the hue of monochromatic light when its lightness changes as a result of white light being added to it. 2 A perceptual phenomenon ...

Abney effect

Abney effect n.   Quick reference

A Dictionary of Psychology (4 ed.)

Reference type:
Subject Reference
Current Version:
2015

... effect n. 1. The slight change in the hue of monochromatic light when its lightness changes as a result of white light being added to it. 2. A perceptual phenomenon whereby a large surface that is suddenly illuminated appears to brighten first near its centre and then near its edges, and if the illumination is suddenly extinguished it appears to darken first near its edges and then near its centre. [Named after the English chemist and physicist Sir William de Wiveleslie Abney ( 1843–1920...

Abney effect

Abney effect  

1 The slight change in the hue of monochromatic light when its lightness changes as a result of white light being added to it.2 A perceptual phenomenon whereby a large surface that is suddenly ...
Evans v. Abney

Evans v. Abney  

Reference type:
Overview Page
Subject:
Law
396 U.S. 435 (1970), argued 12–13 Nov. 1969, decided 29 Jan. 1970, by vote of 6 to 2; Black for the Court, Douglas and Brennan in dissent, Marshall not participating. Evans is one of a series of ...
solarization

solarization   Reference library

John P. Ward

The Oxford Companion to the Photograph

Reference type:
Subject Reference
Current Version:
2006
Subject:
Art & Architecture
Length:
109 words

...development. Studies of the phenomenon began in the 19th century, notably by the French astronomer P. J. C. Janssen ( 1824–1907 ) and by Sir William Abney , but the chemistry remains imperfectly understood today. Many photographers use the term incorrectly. The so‐called ‘solarized’ images of artists such as Man Ray are produced by a different chemical mechanism known as the Sabatier effect . JPW John P. Ward Life Library of Photography: The Print ...

Evans v. Abney

Evans v. Abney   Reference library

Eric T. Freyfogle

The Oxford Companion to the Supreme Court of the United States (2 ed.)

Reference type:
Subject Reference
Current Version:
2005
Subject:
Law
Length:
289 words

...way to carry out the donor's wish was to return the property to his heirs. In Evans v. Abney , the Court upheld this action even though the effect was to close the park to blacks. Georgia courts reached their decision by relying on racially neutral, well‐settled principles for the interpretation of wills. In accord with these interpretive principles, the donor's intent was best carried out, not by eliminating the racial restrictions, but by ending the park. The effect of the action, the Court noted, was not racially discriminatory because both whites and...

Evans v. Abney

Evans v. Abney   Quick reference

The Oxford Guide to United States Supreme Court Decisions (2 ed.)

Reference type:
Subject Reference
Current Version:
2009
Subject:
Law
Length:
275 words

...way to carry out the donor's wish was to return the property to his heirs. In Evans v. Abney the Court upheld this action even though the effect was to close the park to blacks. Georgia courts reached their decision by relying on racially neutral, well-settled principles for the interpretation of wills. In accord with these interpretive principles, the donor's intent was best carried out, not by eliminating the racial restrictions, but by ending the park. The effect of the action, the Court noted, was not racially discriminatory because both whites and...

Barrington, John Shute, 1st Viscount

Barrington, John Shute, 1st Viscount (1678–1734)   Reference library

The Continuum Encyclopedia of British Philosophy

Reference type:
Subject Reference
Current Version:
2010
Subject:
Philosophy
Length:
838 words

.... He changed his name to Barrington in 1710 , on being left the estate of Tofts in Hertfordshire by the husband of his first cousin on condition that such a change was made: this was effected by Act of Parliament in 1716 . He came from a dissenting family and was educated at the academy of Thomas Rowe , where Isaac Watts was also a pupil. Barrington was related to the Abney family with whom Watts lived; Watts wrote an ode to him. In common with many dissenters of the day he was sent to the University of Utrecht, where he published Oratio de Studio...

Price, Richard

Price, Richard (1723–91)   Reference library

The Continuum Encyclopedia of British Philosophy

Reference type:
Subject Reference
Current Version:
2010
Subject:
Philosophy
Length:
4,842 words

...to reside in the Newington area for the rest of his life. It was a dissenting enclave: Thomas Rowe had run an academy there in the late seventeenth century at which the young Isaac Watts was a student and Watts himself lived at Abney Park, the house of Sir Thomas Abney , the last dissenting Lord Mayor of London . The Abneys acted at the centre of a group which at various times included Defoe , Thomas Rogers the banker and his son Samuel the poet and, later, the young Mary Wollstonecraft . These were dissenters who stood up for their rights; Price's...

Watts, Isaac

Watts, Isaac   Reference library

Brenton Grom

The Oxford Encyclopedia of the Bible and the Arts

Reference type:
Subject Reference
Current Version:
2016
Subject:
Religion, Art & Architecture
Length:
3,001 words

...ended Watts’s public activity. From then until his death in 1747 , Watts carried out his writing and correspondence in the Dissenting household of Sir Thomas Abney, former Lord Mayor of London, and of his widow after 1722 . He published at least 45 works during these years, including his Divine and Moral Songs Attempted in Easy Language, for the Use of Children ( 1715 ), dedicated to the Abney children he was tutoring. Even in convalescence, he enjoyed a wide intellectual community that included Dissenting and Anglican leaders, ministers of the German...

Digital Media Ethics

Digital Media Ethics   Reference library

Charles Ess

The Oxford Encyclopedia of Communication and Critical Cultural Studies

Reference type:
Subject Reference
Current Version:
2019
Subject:
Social sciences
Length:
18,516 words
Illustration(s):
1

...engaged in networked systems research. We will explore the specific virtue ethics recommendations more fully in the next section. At the same time, the past decade has witnessed the emergence of “machine ethics” or “robot ethics” (e.g., Anderson & Anderson, 2011 ; Lin, Abney, & Bekey, 2012 ; Trappl, 2015 ; Wallach & Allen, 2009 ; Wallach & Asaro, 2017 ). We might initially think of robot ethics as something of a subfield of ICE. At the same time, however, robots—especially social robots, as we will see—evoke a range of familiar and novel...

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