Brückenbauer aus Leidenschaft: Mosaiksteine aus dem Leben by Hans Wittfoth PDF

By Hans Wittfoth

ISBN-10: 3764004576

ISBN-13: 9783764004576

Wer sich mit dem Brückenbau beschäftigt, dem wird auch der identify Hans Wittfoht ein Begriff sein. Zahlreiche Veröffentlichungen berichten über seine Tätigkeiten als erfolgreicher Brückenbauer, mutiger Unternehmer und auch als innovativer Theoretiker.

Das Lebenswerk des leidenschaftlichen Bauingenieurs ist jetzt als Buch erschienen. Auf lebhafte Weise schildert es das Baugeschehen der letzten 50 Jahre. Es berichtet von der Pionierzeit des Spannbetonbrückenbaus und von der stürmischen Entwicklung des deutschen Auslandsbaus. Beides hat der hochbegabte, disziplinierte und entschlossene Bauingenieur Hans Wittfoth maßgeblich geprägt. So ist das vorliegende Buch ein aus vielen Mosaiksteinen zusammengesetztes Zeitdokument für Historiker, Wirtschaftswissenschaftler und Bauingenieure.

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Download e-book for kindle: Junkyards, Gearheads, and Rust by David N Lucsko

By David N Lucsko

ISBN-10: 1421419424

ISBN-13: 9781421419428

What occurs to cars when they are retired yet earlier than they're processed as scrap? during this interesting historical past, David N. Lucsko takes readers on a travel of salvage yards and wrecked or in a different way out-of-service autos within the usa from the viewpoint of gearheads—the sizzling rodders, recovery hobbyists, road rodders, and vintage motor vehicle devotees who reuse, repurpose, and repair junked cars.

Junkyards, Gearheads, and Rust is a nuanced exploration of the enterprise of dismantling wrecks and promoting second-hand components. It examines the reinterpretation of those automobiles and elements through artists in addition to their recovery through fanatics. It additionally surveys the foundation and evolution of gearhead-oriented yards focusing on particular forms of autos; dissects the cloth and emotional allure of the salvage backyard and its contents between lovers; and examines how zoning and nuisance ordinances have affected either salvage companies and hobbyists.

Lucsko concludes with an research of efforts over the last twenty-five years to hasten vehicular obsolescence on the cost of salvage yards, mechanics, and lovers. by way of studying how autos are salvaged, repurposed, and restored, this booklet demonstrates that the historical past of the auto is far greater than a operating catalog of showroom novelties.

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Download e-book for kindle: Before This Decade Is Out: Personal Reflections on the by Glen E. Swanson,Paul Dickson

By Glen E. Swanson,Paul Dickson

ISBN-10: 0160501393

ISBN-13: 9780160501395

ISBN-10: 1499181477

ISBN-13: 9781499181470

On July 24, 1969, the astronauts of Apollo XI splashed down within the Pacific Ocean, having triumphantly spoke back John F. Kennedy's 1961 problem to land an American at the moon "before this decade is out." at the back of their good fortune lay the cooperative efforts of political leaders, engineers, scientists, directors, and different astronauts. those interesting oral histories recount the interior tale of the lunar touchdown venture, recapturing the buzz, bold, and idealism of the Apollo program.
Drawn from 1000's of interviews from the NASA files, the Johnson area middle, and the Smithsonian's nationwide Air and house Museum, this quantity positive aspects the reminiscences of fourteen software members. Commenters comprise NASA directors James Webb and Thomas O. Paine; Wernher von Braun, architect of the Saturn V rocket; spacecraft dressmaker Maxime A. Faget; and astronauts Harrison Schmitt and Charles Duke. Introductory fabric presents historical past at the Apollo application, and approximately seventy black-and-white photos illustrate the appealing first-person bills of background within the making.

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Download e-book for iPad: Cultivating Commerce: Cultures of Botany in Britain and by Sarah Easterby-Smith

By Sarah Easterby-Smith

ISBN-10: 1107126843

ISBN-13: 9781107126848

Sarah Easterby-Smith rewrites the histories of botany and horticulture from the views of plant retailers who offered botanical specimens within the many years round 1800. those retailers weren't expert botanists, nor have been they the social equals of subtle amateurs of botany. however, they participated in Enlightenment scholarly networks, performing as intermediaries who communicated details and specimens. because of their sensible services, in addition they turned assets of recent wisdom of their personal correct. Cultivating trade argues that those retailers made crucial contributions to botanical background, even though their fairly humble prestige implies that their contributions have obtained little sustained consciousness up to now. Exploring how the professional nurseryman emerged as a brand new social determine in Britain and France and analyzing what occurred to the elitist, masculine tradition of novice botany while faced by means of increasing public participation, Easterby-Smith sheds clean gentle at the evolution of transnational Enlightenment networks throughout the Age of Revolution.

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The Electronics Revolution: Inventing the Future (Springer - download pdf or read online

By J.B. Williams

ISBN-10: 3319490877

ISBN-13: 9783319490878

This e-book is ready how electronics, computing, and telecommunications have profoundly replaced our lives – the best way we paintings, reside, and play. It covers a myriad of issues from the discovery of the basic units, and built-in circuits, via radio and tv, to pcs, cellular phones and GPS. Today our lives are governed through electronics as they keep an eye on the house and desktops dominate the workspace. We stroll round with cellphones and converse by way of e-mail. Electronics didn’t exist till into the 20 th century. 

The business revolution is the time period frequently utilized to the arriving of steam, railways and the manufacturing unit approach. within the 20th century, it's electronics that has replaced the way in which we assemble our details, entertain ourselves, converse and paintings. This publication demonstrates that this can be, actually, one other revolution. 

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Turings Kathedrale: Die Ursprünge des digitalen Zeitalters by George Dyson,Karl Heinz Siber PDF

By George Dyson,Karl Heinz Siber

ISBN-10: 3548376304

ISBN-13: 9783548376301

ISBN-10: 3549074530

ISBN-13: 9783549074534

In den 1940er Jahren kam es am Institute for complicated examine in Princeton zu einer einzigartigen Zusammenarbeit wissenschaftlicher Genies, die als Keimzelle der digitalen Welt gelten kann. Zu ihnen gehörten Albert Einstein, Robert Oppenheimer, Kurt Gödel, Alan Turing und John von Neumann. In engem Austausch arbeiteten sie an streng geheimen Projekten, darunter dem Bau der Atombombe und der Entwicklung des desktops, weitgehend finanziert vom US-Militär. Auf der foundation jahrelanger Recherchen erzählt der amerikanische Wissenschaftshistoriker George Dyson erstmals die faszinierende Geschichte dieser Anfänge des digitalen Zeitalters.

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God and Reason in the Middle Ages by Edward Grant PDF

By Edward Grant

ISBN-10: 0521003377

ISBN-13: 9780521003377

ISBN-10: 0521802792

ISBN-13: 9780521802796

among 1100 and 1600, the emphasis on cause within the studying and highbrow lifetime of Western Europe grew to become extra pervasive and frequent than ever ahead of within the heritage of human civilization. Of an important value was once the discovery of the college round 1200, in which cause was once institutionalized and the place it grew to become a deeply embedded, everlasting characteristic of Western concept and tradition. it truly is for that reason acceptable to talk of an Age of cause within the heart a while, and to view it as a forerunner and bring in of the Age of cause that used to be to come back within the 17th century. the thing of this examine is twofold: to explain how cause was once manifested within the curriculum of medieval universities, in particular within the matters of good judgment, traditional philosophy and theology; and to give an explanation for how the center a while received an undeserved popularity as an age of superstition, barbarism, and unreason.

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Download PDF by Scott Carmichael: Moon Men Return: Uss Hornet and the Recovery of the Apollo

By Scott Carmichael

ISBN-10: 1591141109

ISBN-13: 9781591141105

The splashdown and restoration of Apollo eleven on 24 July 1969 used to be a old occasion, which fulfilled President John F. Kennedy s nationwide objective of putting a guy at the moon and returning him appropriately to earth by way of the tip of the Sixties. This e-book tells the dramatic tale of the USS Hornet s restoration of the astronauts after the splashdown in their command module. This specific account attracts not just on ancient documents but in addition at the stories of 80 males who served aboard the Hornet and took part within the restoration operation, together with army UDT frogman John M. Wolfram, who used to be the 1st to arrive the Apollo II astronauts. Their inside of account deals deck-level views of occasions and contains information by no means earlier than documented for the general public. Their tales display that even supposing the restoration operation regarded effortless and uneventful, there have been many difficulties to beat. for instance, a machinist s mate needed to fix a damaged propeller shaft whereas the send was once underway so the Hornet may succeed in the purpose of splashdown on time; storms compelled the send to navigate by way of lifeless reckoning putting it miles clear of its vacation spot simply mins earlier than Apollo got here down; and a HS-4 helicopter narrowly kept away from colliding with the command module as a result of heavy cloud hide. but, in keeping with the writer, the VIPs at the Hornet by no means suspected whatever amiss. as well as those behind-the-scenes tales, the publication contains a by no means prior to released picture of the Apollo eleven command module because it splashed down within the Pacific Ocean. formerly recognized purely to these linked to the army SEAL who took the picture, the writer demonstrated its authenticity via interviews with these at the helicopter and those that processed the photo at the Hornet. different photos now not formerly published to the general public, together with surface-level images taken through UDT swimmers throughout the restoration method also are one of the illustrations displayed within the book.

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New PDF release: The Ringtone Dialectic: Economy and Cultural Form (MIT

By Sumanth Gopinath

ISBN-10: 0262019159

ISBN-13: 9780262019156

A decade in the past, the customizable ringtone was once ubiquitous. virtually any crowd of cellphone vendors may produce a carillon of tinkly, beeping, synthy, musicalized ringer indications. Ringtones fast grew to become a multi-billion-dollar worldwide and nearly as speedy light away. In The Ringtone Dialectic, Sumanth Gopinath charts the increase and fall of the ringtone economic climate and assesses its impression on cultural production.Gopinath describes the technical and fiscal constitution of the ringtone undefined, contemplating the transformation of ringtones from monophonic, single-line synthesizer records to polyphonic MIDI records to electronic sound records and the concomitant switch within the nature of capital and lease accumulation in the undefined. He discusses sociocultural practices that appeared to wane due to those shifts, together with ringtone hard work, yes different types of musical notation and illustration, and the construction of musical and creative works quoting ringtones. Gopinath examines "declines," "reversals," and "revivals" of cultural kinds linked to the ringtone and its alterations, together with the loopy Frog fad, using ringtones in political events (as within the Philippine "Gloriagate" scandal), the ringtone's narrative functionality in movie and tv (including its amazing use within the motion pictures of the chinese language director Jia Zhangke), and the ringtone's relation to pop track (including attainable race and sophistication features of ringtone consumption). ultimately, Gopinath considers the try and rebrand ringtones as "mobile tune" and the emergence of cloud computing.

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Power, Speed, and Form: Engineers and the Making of the by David P. Billington,David P., Jr. Billington PDF

By David P. Billington,David P., Jr. Billington

ISBN-10: 0691102929

ISBN-13: 9780691102924

Power, pace, and Form is the 1st obtainable account of the engineering at the back of 8 step forward ideas that remodeled American lifestyles from 1876 to 1939--the cellphone, electrical energy, oil refining, the auto, the aircraft, radio, the long-span metal bridge, and construction with bolstered concrete. starting with Thomas Edison's process to generate and distribute electrical energy, the authors clarify the Bell cell, the oil refining procedures of William Burton and Eugene Houdry, Henry Ford's version T automobile and the reaction via basic vehicles, the Wright brothers' plane, radio recommendations from Marconi to Armstrong, Othmar Ammann's George Washington Bridge, the bolstered concrete buildings of John Eastwood and Anton Tedesko, and within the Thirties, the Chrysler Airflow motor vehicle and the Douglas DC-3 airplane.

those techniques used basic numerical rules, which the Billingtons combine with brief narrative bills of every breakthrough--a exact and potent option to introduce engineering and the way engineers imagine. The publication exhibits how the simplest engineering exemplifies potency, economic system and, the place attainable, attractiveness. With Power, velocity, and Form, educators, first-year engineering scholars, liberal arts scholars, and basic readers now have, for the 1st time in a single quantity, an available and readable heritage of engineering achievements that have been important to America's improvement and which are nonetheless the rules of recent life.

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