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The Dawn of Christian Art in Panel Paintings and Icons
  • Language: en
  • Pages: 59

The Dawn of Christian Art in Panel Paintings and Icons

  • Categories: Art

Staking out new territory in the history of art, this book presents a compelling argument for a lost link between the panel-painting tradition of Greek antiquity and Christian paintings of Byzantium and the Renaissance. While art historians place the origin of icons in the seventh century, Thomas F. Mathews finds strong evidence as early as the second century in the texts of Irenaeus and the Acts of John that describe private Christian worship. In closely studying an obscure set of sixty neglected panel paintings from Egypt in Roman times, the author explains how these paintings of the Egyptian gods offer the missing link in the long history of religious painting. Christian panel paintings a...

The Inca World
  • Language: en
  • Pages: 248

The Inca World

This lavishly illustrated volume, based on extensive archeological research and Spanish colonial documentation, provides important insights into many questions and contradictions regarding the Inca Empire. 337 illustrations, 106 in color. 12 maps.

Electronic Structure of Semiconductor Heterojunctions
  • Language: en
  • Pages: 348

Electronic Structure of Semiconductor Heterojunctions

E se non che di cid son vere prove A nd were it not for the true evidence Per piti e piti autori, che sa, ra. nno Of many authors who will be Per i miei versi nominati altrove, Mentioned elsewhere in my rhyme Non presterei alla penna 10. mana I would not lend my hand to the pen Per nota1' cid ch'io vidi, can temenza And describe my observations, for fear ehe non fosse do. altri casso e van 0; That they would be rejected and in vane; Mala lor chiara. e vera. esperienza But these authors' clear and true experience Mi assicura. nel dir, come persone Encourages me to report, since they Degne di fede ad ogni gra. n sentenza. Should always be trusted for their word. [From" Dittamondo", by Fazio de...

Electronic Structure of Metal-Semiconductor Contacts
  • Language: en
  • Pages: 302

Electronic Structure of Metal-Semiconductor Contacts

Interface and surface science have been important in the development of semicon ductor physics right from the beginning on. Modern device concepts are not only based on p-n junctions, which are interfaces between regions containing different types of dopants, but take advantage of the electronic properties of semiconductor insulator interfaces, heterojunctions between distinct semiconductors, and metal semiconductor contacts. The latter ones stood almost at the very beginning of semi conductor physics at the end of the last century. The rectifying properties of metal-semiconductor contacts were first described by Braun in 1874. A physically correct explanation of unilateral conduction, as this deviation from Ohm's law was called, could not be given at that time. A prerequisite was Wilson's quantum theory of electronic semi-conductors which he published in 1931. A few years later, in 1938, Schottky finally explained the rectification at metal-semiconductor contacts by a space-

In the Jungle
  • Language: en
  • Pages: 28

In the Jungle

In simple text, the jungle animals tell us something about themselves.

Animal Opposites
  • Language: en
  • Pages: 25

Animal Opposites

Illustrations of such contrasting animals as an elephant and a mouse, and a rooster and a bat, demonstrate such pairs of opposites as "big" and "small," and "morning" and "night."

Opticals Effects in Liquid Crystals
  • Language: en
  • Pages: 242

Opticals Effects in Liquid Crystals

In 1988 physicists and chemists commemorated the centenary of the discovery of the first liquid crystals. Fora long period after this discovery, although many significant results were found, liquid crystal research remained a marginal topic of condensed matter physics. The situation changed in the sixties. At that time the remarkable electro-optical properties of liquid crystals were recognized and found soon widespread application in numeric displays. From a more fundamental point of view, the interest in disordered systems. increased in general at the same time. Liquid crystals represented an important dass of such systems. Among others, phase transitions, hydrodynamics and topological def...

Animals in Color
  • Language: en
  • Pages: 25

Animals in Color

Illustrations of such animals as a black cat and a purple butterfly introduce the names for colors.

Michelangelo's Tomb for Julius II
  • Language: en
  • Pages: 66

Michelangelo's Tomb for Julius II

  • Categories: Art

In 1505, Michelangelo began planning the magnificent tomb for Pope Julius II, which would dominate the next forty years of his career. Repeated failures to complete the monument were characterized by Condivi, Michelangelo’s authorized biographer, as “the tragedy of the tomb.” This definitive book thoroughly documents the art of the tomb and each stage of its complicated evolution. Authored by Christoph Luitpold Frommel, who also acted as the lead consultant on the recent restoration campaign, this volume offers new post-restoration photography that reveals the beauty of the tomb overall, its individual statues, and its myriad details. This book traces Michelangelo’s stylistic develop...

Shapes in Animals
  • Language: en
  • Pages: 25

Shapes in Animals

Illustrations of such creatures as a round-eyed toucan and a starfish introduce common shapes and their names.