segmented mirror
segmented mirror A telescope mirror that consists of several adjacent components which bring light to a common focus like one larger aperture. Typically the components are hexagonal in shape, and interlock like tiles. Each segment has a separate mounting with position sensors and actuators to maintain its alignment. Each of the two
Keck Telescopes, for example, has 36 components 1.8 m across, forming a combined hexagonal aperture of 9.82 m. Segmented mirrors can be very light for their aperture, and can be made larger than individual mirrors.
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Jeryldene M. Wood, ed.: The Cambridge Companion to Piero della Francesca.(Italian Bookshelf)(Book review)
Magazine article from: Annali d'Italianistica; 1/1/2003; ; 700+ words
; ...The Cambridge Companion to Piero della Francesca. Cambridge: Cambridge UP...Vasari, was the destiny of Piero della Francesca. Vasari's outrage over the hijacking of Piero della Francesca's theoretical treatises...
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What Piero knew. (Italian Renaissance art by Piero della Francesca) (Cover Story)
Magazine article from: Art in America; 12/1/1993; ; 700+ words
; ...intervening centuries of neglect, Piero della Francesca is today among the most admired...artist is that enigmatic figure Piero della Francesca. There is something called the Piero della Francesca trail, and tens of thousands...
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Tuscany's Renaissance Master; Celebrating the Perspective of Piero della Francesca
Newspaper article from: The Washington Post; 6/28/1992; ; 700+ words
; ...death, the Renaissance painter Piero della Francesca is now being celebrated via a number...Tuscan cities in which he painted. Piero, as he is called, is now considered...perspective. Although the exact year of Piero's birth is unknown - sometime...
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RESURRECTED: JESUS IN TUSCANY ; It was rescued twice from destruction. Now Piero della Francesca's fresco 'The Resurrection' is at the centre of a celebration of his work, currently on show in Tuscany, says Claudia Pritchard
Newspaper article from: The Independent on Sunday; 5/20/2007; ; 700+ words
; ...homes from bombardment in 1944. Piero is the thread that runs between...special British love affair with Piero della Francesca, which is being rekindled this summer with a new-look Piero Trail - the whistle-stop tour...
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 "The Birmingham Post (England)")
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A masterful piece of art detective work; The Enigma of Piero. Piero della Francesca. By Carlo Ginzburg. (Verso, pounds 22). Reviewed by Monica Foot.
Newspaper article from: The Birmingham Post (England); 12/23/2000; 700+ words
; ...Monica Foot Considering that Piero della Francesca is widely regarded as one of...Cross, in the choir of San Francesca, Arezzo, of which the dates...now turns his attentions to Piero della Francesca in an attempt to clarify and...
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Have Italy's art restorers cleaned up their act? Piero della Francesca's masterpiece, The Legend of the True Cross, has re-emerged after more than a decade under wraps. So has Italy managed to restore faith in its conservation policy after the uproar over the cleaning of the Sistine Chapel? By Andrew Wordsworth
Newspaper article from: The Independent - London; 6/20/2000; ; 700+ words
; ...ever since they were created. Take, for example, Piero della Francesca's Madonna del Parto, one of the most sublimely...with universal approval, while the re-opening of Piero della Francesca's frescoes of The Legend of the True Cross at...
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Friedrich; Vermeer; Giotto; Piero Della Francesca; Velazquez.(Brief Article)
Magazine article from: School Arts; 5/1/2000; ; 477 words
; DK ArtBook Series: Friedrich; Vermeer; Giotto; Piero Della Francesca; Velazquez. New York: DK (800-986-9921), 1999. Softcovers, 144 pp., $12.95 each. DK publications are noted for...
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The Essential Marc Chagall. (New and Noteworthy).(includes review of The Piero Della Francesca Trail )(Book Review)(Brief Article)
Magazine article from: Contemporary Review; 12/1/2002; 497 words
; ...rather different age is remembered in a beautifully presented book from GRANTA BOOKS, John Pope-Hennessy's The Piero Della Francesca Trail ([pound sterling]14.99) which was first published by The Little Bookroom in New York. This reprint...
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Hometown boy: Piero della Francesca in Arezzo: there are some impressive and illuminating loans to this courageous monographic exhibition on Piero della Francesca in the province of Arezzo, but there are also too many irrelevant works. Tom Henry asks how useful is it for an artist to be celebrated in his home town?(EXHIBITIONS)(Museo Statale d'Arte Medievale e Moderna)
Magazine article from: Apollo; 6/1/2007; ; 700+ words
; ...Lorenzo Costa and the Maestro della Pala dei Muratori really got to...out the exhibition's tide, 'Piero della Francesca e le Corti Italiane', but both...courts had been the focus of the Piero shows in the anniversary year of...
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International: Resurrection of Piero's masterpiece After 15 years of work and at a cost of more than pounds 3 million, Piero della Francesca's fresco cycle The Legend of the True Cross has been saved from destruction. Alasdair Palmer, in Arezzo, gets an exclusive preview of the restoration
Newspaper article from: The Sunday Telegraph London; 2/20/2000; ; 700+ words
; ...the team dedicated to saving Piero della Francesca's fresco cycle The Legend of...glorious, glowing colours for which Piero was famous in his lifetime. Silvano...humbling. For example, the purity of Piero's drawing is breathtaking...
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Piero della Francesca
Encyclopedia entry from: Encyclopedia of World Biography
Piero della Francesca Piero della Francesca (ca. 1415-1492), painter, mathematician, and theorist, was one of the most influential Italian artists of the early Renaissance. Piero della Francesca was the son of Benedetto dei Franceschi...
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Francesca, Piero Della (or Piero Dei Franceschi)
Dictionary entry from: Complete Dictionary of Scientific Biography
Francesca, Piero Della (or Piero Dei Franceschi) also...life and work is Roberto Longhi, Piero della Francesca (London, 1930), Leonard Penlock...Phaidon review of his pictures, Piero della Francesca (London, 1951), is both readable...
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Francesca, Piero della
Book article from: World Encyclopedia
Francesca, Piero della See Piero della Francesca
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Piero della Francesca (1415–1492)
Book article from: The Renaissance
Piero della Francesca (1415 – 1492) Italian painter...of Urbino, Federigo da Montefeltro, Piero completed a double portrait of the duke...altarpiece, Madonna with Saints and Donor . Piero's great skill and knowledge of mathematics...
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Piero de' Franceschi
Book article from: The Columbia Encyclopedia, Sixth Edition
Piero de' Franceschi see Piero della Francesca .
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