Wer war carl zeiss referat

Carl Zeiss

Mit dem Namen Zeiss verbindet man mehr als den Universitätsmechaniker und Firmengründer; man denkt an Mikroskop und Fernglas, Brillengläser und das bekannte Zeisswerk, erst in Jena und nach dem Krieg in Oberkochen.

Der Name der "Zeiss-Sippe" geht aus der in Bayern liegenden Siedlung Zeisendorf hervor. Die Ausübung des Drechslerberufes, der auch von Carls Vater ausgeübt wurde, läßt sich bis auf den Vorfahren Johann Michael ZEISS (1679-1754) zurückverfolgen, der den Beruf eines Bauern aufgab und Handwerker wurde. Mütterlicherseits läßt sich die Ahnenreihe bis zu dem Magister und Pfarrer Nikolaus MENDE, einem Zeitgenosse Martin Luthers, zurückverfolgen, dessen Nachfahren der Theologie treu blieben (der Großvater Carls war allerdings Jurist). Carl (Friedrich) kam am 11. September 1816 als Sohn des Hofdrechslermeisters Johann Gottfried August ZEISS (1785-1848) und seiner Mutter Johanna Antoinette Friederike SCHMITH als fünftes Kind, dem noch sieben Geschwister folgen sollten, ...

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Materia: Germana

Magnetismus

Gilbert ging mit wissenschaftlichen Mitteln an die Erforschung der Elektrizität und des Magnetismus heran. Er konnte zeigen, daß die Erde sich selbst wie ein großer Magnet verhält und widerlegte durch eine Reihe von Versuchen mehrere unrichtige Annahmen seiner Zeit über den Magnetismus. 1750 erfand der englische Geologe John Michell eine spezielle Waage, die er zur Untersuchung magnetischer Kräfte benutzte.

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Optik - germana

Newton hatte das Licht ja ebenfalls schon mit einem Teilchenmodell zu erklären versucht. Durch diese neue Entwicklung in der Modellfrage verfiel die Optik wiederum in eine Krise. Bis heute ist diese Modellfrage nicht vollständig gelöst.

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Elektrizitat

Zu den wichtigsten technischen Verbesserungen der Windmühle zählt eine im Jahr 1745 erfundene mechanische Einrichtung zur Windrichtungsnachführung. Mit Hilfe dieser Konstruktion ließen sich die Flügel automatisch in den Wind drehen. Wie wir wissen, werden heute Windkraftanlagen meist zur Stromerzeugung genutzt. Man unterteilt diese Anlagen in zwei Kategorien: Anlagen mit horizontal laufender Achse und solche mit vertikaler Achse. Bei Anlagen mit horizontal laufender Achse ist an einem Achsenende ein zwei- oder mehrblättriger Rotor installiert, der über ein Getriebe mit einem elektrischen Generator verbunden ist. Der Rotor wird zwecks optimaler Ausbeute mit Hilfe eines Computers in den Wind gedreht. Bei zu großer Windstärke wird der Rotor automatisch verriegelt.

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Kondensator - in germana

Kondensatoren sind Bauelemente zum Speichern von elektrischen Ladungen. Sie bestehen aus zwei gegeneinander isolierten Leitern, die im geladenen Zustand ungleichnamige, aber betragsgleiche elektrische Ladungen tragen. Infolge der Ladungsträgerverteilung besteht zwischen den Leitern ein elektrisches Feld. Die zum Laden der Leiter aufzuwendende Arbeit wird als Energie des elektrischen Feldes im Kondensator gespeichert.

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Elektrizitat de XXI Jahrhundert

Bei ihnen sind immer häufiger photovoltaische Anlagen anzutreffen. Die heutigen Generationen von Funktelephonen und Elektroautos verlangen jedoch immer noch viel zu grosse Leistungen.

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Elektrostatik

Eine dritte Art Material ist ein Feststoff, in dem eine relativ kleine Anzahl von Elektronen frei werden kann. Dabei entsteht an den Stellen, wo Elektronen fehlen, ein Loch. Das Loch, das die Abwesenheit eines negativen Elektrons darstellt, verhält sich so, als ob es positiv geladen wäre. Ein elektrisches Feld verursacht sowohl die Bewegung des negativen Elektrons als auch des positiv geladenen Loches durch das Material, wodurch im Endeffekt elektrischer Strom fließt.

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Solarzelle

Kostengünstiger ist die Herstellung von polykristallinen Zellen. Dabei wird flüssiges Silizium in Blöcke gegossen, die anschließend in Scheiben gesägt werden. Bei der Erstarrung des Materials bilden sich unterschiedlich große Kristallstrukturen aus, an deren Grenzen Defekte auftreten. Diese Kristalldefekte haben einen geringeren Wirkungsgrad der Solarzelle zur Folge.

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World War 1

World War was a military conflict wich lasted from 1914 to 1918, that began as a local European war between Austria-Hungary and Serbia on July 28, 1914; was transformed into a general European struggle by declaration of war against Russia on August 1, 1914; and eventually became a global war involving 32 nations. Twenty-eight of these nations, known as the Allies and the Associated Powers, and including Great Britain, France, Russia, Italy, and the United States, opposed the coalition known as the Central Powers, consisting of Germany, Austria-Hungary, Turkey, and Bulgaria.

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World War !

World War I, military conflict, from 1914 to 1918, that began as a local European war between Austria-Hungary and Serbia on July 28, 1914; was transformed into a general European struggle by Germany's declaration of war against Russia on August 1, 1914; and eventually became a global war involving 32 nations. Twenty-eight of these nations, known as the Allies and the Associated Powers, and including Great Britain, France, Russia, Italy, and the United States, opposed the coalition known as the Central Powers, consisting of Germany, Austria-Hungary, Turkey, and Bulgaria.

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Sun Tzu - The art of war

Then Sun Tzu sent a messenger to the King saying: "Your soldiers, Sire, are now properly drilled and disciplined, and ready for your majesty's inspection. They can be put to any use that their sovereign may desire; bid them go through fire and water, an d they will not disobey."
But the King replied: "Let our general cease drilling and return to camp. As for us, We have no wish to come down and inspect the troops." Thereupon Sun Tzu said: "The King is only fond of words, and cannot translate them into deeds."

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Who were the celts

The Roman envoys then preceded to break their good faith and helped the Etruscans in their fight; in fact, one of the envoys, Quintas Fabius killed one of the Celtic tribal leaders. The Celts then sent their own envoys to Rome in protest and demand the Romans hand over all members of the Fabian family, to which all three of the original Roman envoys belonged, be given over to the Celts, a move completely in line with current Roman protocol.

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Carl Gustav Jung

Nascut in familia preotului Paul Jung, la 26 iulie 1875, micul Carl
Gustav s-a vazut inconjurat de o familie extinsa si numeroasa care
includea clerici dar si cativa excentrici. De la 6 ani incepe sa
invete latina cu tatal sau, dobandind un timpuriu dar mare interes
pentru literatura veche. Ca adolescent a fost mai degraba un solitar
caruia nu-i prea pasa de scoala; la internatul scolii din Basel a
devenit obiectul hartuielilor invidioase ale colegilor. Cu toate ca
prima alegere a fost arheologia, Carl si-a continuat studiile urmand
medicina la Universitatea din Basel, unde, lucrand cu neurologul
Krafft-Ebing, s-a indreptat spre o cariera in psihiatrie. Dupa
absolvire lucreaza la Spitalul de Boli Nervoase Burghoeltzli sub
conducerea lui E.Bleuler, expertul in schizofrenie. Mult timp un
admirator al lui Freud, il intalneste la Viena in 1907;Freud isi amana
intalnirile ...

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The War of Independence

The events of 1773 and 1774 had culminated in a revolutionary crisis. And the events of 1775 were to determine weather the differences between England and the colonies would be compromised or fought out on the battlefield. In 1774, the colonists gave an ominous hint that it might be too late for compromise when they organized extra-legal provincial congresses to act as state governments. In fact most of the delegates to the First Continental Congress had been appointed by these governments.

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The war of independence

The events of 1773 and 1774 had culminated in a revolutionary crisis. And the events of 1775 were to determine weather the differences between England and the colonies would be compromised or fought out on the battlefield.In 1774, the colonists gave an ominous hint that it might be too late for compromise when they organized extra-legal provincial congresses to act as state governments. In fact most of the delegates to the First Continental Congress had been appointed by these governments.

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Carl Friedrich Gauss

S-a remarcat si în domeniul electricitatii, fiind cel dintâi care a
observat si semnalat posibilitatea transmiterii de semnale cu ajutorul
curentului galvanic.

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King Henry the VIII

In Cardinal Wolsey, the king, Henry the VIII, found an adviser who was essentially a transition minister, holding a middle place between an English statesman and a Catholic of the old order. Under Wolsey's influence, Henry made war with Louis of France in the pope's quarrel, entered the polemic lists with Luther and persecuted the English Protestants.
Fish's famous pamphlet shows the spirit that was seething. He spoke of what he had seen and knew. The monks, he tells the king, 'be they that have made a hundred thousand idle, dissolute women in your realm.' But Wolsey could interfere with neither bishops nor monks without a special dispensation from the pope. A new trouble arose for the nation in the desire of Henry to divorce Catherine of Aragon, who had been his deceased brother's wife, was six years older than himself and was an obstacle to the establishment of the kingdom. Her sons were dead, and she was beyond the period when more children could be expected. Though descent in the ...

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Doomed Expedition to the South Pole, 1912

On November 12, 1912 an Antarctic search party discovered its objective - the tent of Captain Robert Scott and his two companions half buried in the snow. Inside, they found the body of Captain Scott wedged between those of his fellow explorers, the flaps of his sleeping bag thrown back, his coat open. His companions, Lieut. Henry Bowers and Dr. Edward Wilson, lay covered in their

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