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The Otto Engine
This DVD offers an insight into the historical birth of the Otto engine and also describes its latest version – the hybrid engine. In addition, other engines of the future are covered. The life and achievements of Nikolaus August Otto are dis- cussed, with all his successes and failures, from his first en- gineering attempts when reconstructing the Lenoir engine to the presentation of the “atmospheric gas engine” on the Paris World Fair through to his cooperation with Gottlieb Daimler and Wilhelm Maybach. The mode of operation of the Otto engine is explained to the pupils in detail, also with the help of a variety of animations and diagrams. The DVD goes into the four strokes of intake, compression, power and exhaust as well as the Otto engine as energy converter. Crude oil is one of our most important sources of energy. Besides outlining the evolution and processing of crude oil into fuel, this DVD puts emphasis on the increasing shortage of global crude oil resources. Alternative propulsion sources like hybrid engines as well as hydrogen-fuelled or gas-fuelled vehicles offer an environmental-friendly vision for the automobile’s future in times of global climate change.
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Solar Energy
80 % of our current energy needs are covered by fossil fuels (coal, oil, gas). Their supply may soon lead to severe problems as worldwide stocks will be exhausted one day. That is why the future belongs to renewable energy from sun, wind, water, and biomass. The Sun as an inexhaustible energy source is estimated to be available to us for another 4.5 billion years to come. It supplies us with “clean energy“ that is available everywhere on earth and that exceeds worldwide energy needs many times over. The film presents the pupils with the long history of solar energy use. The functioning of solar collectors, solar cells and solar power plants is explained, the current operating ranges of solar technology are dealt with and an outlook for the future is provided. With the act on the phasing-out of nuclear energy Germany has taken over a pioneering role worldwide in the field of renewable energies. Together with the extensive accompanying material the DVD is ideally suited for use in the classroom.
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Labour Movement in Germany
In 1815, after the end of the Napoleonic wars, Europe reinvented itself. The Congress of Vienna created new states and changed a great number of borders. After the devastating war years, now a deceptive peace was reigning and people could focus on normal life again.
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Dictatorships in the 20th Century V
Benito Mussolini is born in1883 in the Romagna, a region of farmers and labourers, and grows up in an Italy where the economic crisis determines people’s lives. This leads to mass emigrations in the south and also in the better developed areas of the north, the situation escalates. In 1911 unemployment reaches a record high throughout the entire country.
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Halogens
The compounds of halogens are - with the exception of astatine - widespread, can be encountered in nature and are versatile substances. This fact is taken up on this DVD in order to teach the students the chemistry of the halogens by illustrating their special qualities and explaining the correlation of their structure with their chemical properties. In the first part, an overview of the element group of halogens lays emphasis on the common as well as on the distinguishing characteristics of fluorine, chlorine, bromine and iodine. In a second part, the specific properties of fluorine and chlorine are presented. This topic is linked to the students‘ everyday experience (fluorine as a protection against caries, chlorine as a disinfectant, etc.) on the one hand. On the other hand, the DVD presents carefully selected experiments. As a rule, they are of a kind that can only be realized with difficulty, or high expenditure in the chemistry classroom. With the help of these experiments, students are introduced to the chemistry of the halogens in a way that enables them to draw conclusions on the basis of their observations.
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Unterwegs
Unterwegs sein, auf Reisen sein ist eine Urerfahrung des Menschen. Ob auf einem Feldzug, einer Bildungsreise oder einer Erholungsreise – die Urerfahrung des Reisens findet ihren Niederschlag in der Literatur.
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Neue Heimat Deutschland
Vorgestellt wird eine 17-jährige Syrierin. Wir treffen sie in der Erstaufnahme für Flüchtlinge im thüringischen Eisenberg. Ihr großer Wunsch ist ein Leben in Frieden.
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Magersucht
Hungern um jeden Preis – nach Schätzungen der Bundeszentrale für gesundheitliche Aufklärung leiden mehr als 100.000 Menschen in Deutschland an Magersucht. Besonders erschreckend dabei ist: Die Patienten werden immer jünger.
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Stalking
n Germany, 12 % of all federal citizens are pursued by a stalker once in their lives. And not only celebrities are among their victims! Everyone may be confronted with such a situation.
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MedienLB has been producing award-winning school films and interactive modules for the classroom since 2006.
The 14th Dalai Lama
He is considered one of the best-known personalities of our time and has been the Tibetans’ spiritual leader for more than 50 years. The Dalai Lama – His views are inspiration to many. The tradition of the Dalai Lamas reaches back to the 15th century. Dalai Lama is a Mongolian title of honour and was first bestowed on a Tibetan Buddhist monk in 1578 by the Mongol ruler at the time. This monk was called Gyatso, which means sea of wisdom. Dalai is the Mongolian translation of this name and lama is a Tibetan word for monk. Up to now the title has been conferred on 14 Tibetan monks, to the first two only posthumously.
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Giraffes
The giraffe is a superlative mammal. It is considered the largest land mammal, has a neck up to two meters long and the pattern of its fur is as unique as the fingerprint of a human.
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Allergies
The flowering spring meadow, the cute cat from the neighbour’s garden or the bowl with strawberries are a source of joy to most people.
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