Kontaktní výroba kyseliny sírové

An experimental mathematics film designed to elucidate the study of four-line conics.

This film is a treasure. It's one of the best examples of the theory and practice of the art of camouflaging military targets from air observation & attack that you'll find anywhere, presented in a highly entertaining Disney style full color animation supplemented by live action film. Hosted by “Yehudi the Chameleon,” the action is centered around a P-39 Airacobra base in the Pacific and is chocked full of useful information & “how-tos.” Some of the many things you'll learn: how camouflage works in Nature, analyzing the specific camouflage needs of your location, theories and application of different camouflages, hiding in shadow, using camouflage netting, creating dummy targets, breaking up distinctive shadow lines that outline structures, concealment by “blending,” making “trees,” hiding routes & paths or creating fake ones, hiding targets in plain sight by adding minimal camouflage and more.

Concern over global climate change may be at an all-time high, but climate change is nothing new - the earth's climate always followed natural cycles of warming and cooling. In Unstoppable Solar Cycles, Dr. Willie Soon and Dr. David Legates challenge the popular idea that human-generated CO2, is causing catastrophic global warming. These scientists propose an alterantive theory - that the current warming has more to do with solar activity than with human activity.

HipHop as a language and an outlet for young people: The film follows the youngest class members of a dance academy on their way to becoming professional dancers. Many of the students come from the socially deprived areas of Paris. Accompanied by a pulsating, dancing camera that pulls the audience right into the action, the film negotiates themes such as origins, pains, dreams and hopes.

On behalf of the Arvin Corporation, Buster Keaton demonstrates the importance of using Maremont auto parts for potential repairs while running a petrol station.

Animated training film demonstrating the process by which an autopilot uses gyroscopic controls to maintain an airplane in level flight.

After several farmyard analogies featuring chicks and calves, the well-spoken narrator and director of the film, Winifred Holmes, considers the subject of girls and how they reach adulthood and readiness for the 'important job of motherhood.

In one picturesque village in Sussex, life is very different. There’s no crime, debt or homelessness, everyone has a job but no-one earns a wage, and none of the children watch television, use social media, play video games or have a mobile phone.

Infinitude is a meditation on the cosmic evolution of matter and energy over time. Experimental filmmaking techniques such as time-lapse, high-speed, and stop-motion photography were used to photograph handmade props, fluid dynamics, and angular momentum. Infinitude is a handmade representation of the exponential growth of complexity in the cosmos.

Kate Humble and Helen Czerski reveal the inner workings of the sun and investigate why scientists think changes in the sun's behaviour may have powerful effects on our climate.

Svatopluk Innemann’s film Be Prepared! presents the early Czech boy scout movement through a simple narrative. The film extols the virtues of hard work, honor and cooperation just as it displays the fun of wilderness exploration, group cohesion and outdoor leisure. Troop 30 visits numerous historic locations on their travels, such as Orlík Castle and St John’s Rapids.

Handbook of Movie Theaters’ History is a documentary about the history, the development in the present days and the future of movie theaters in the city of Turin, Italy. It mixes the documentary language with comedy and fiction, and is enriched by interviews to some of the most important voices of Turin cinematography. The film follows the evolution of movie theaters by enlightening its main milestones: the pre-cinema experiences in the late 19th Century, the colossals and the movie cathedrals of the silent era, the arthouse theaters, the National Museum of Cinema, the Torino Film Festival, the movie theaters system today and the main hypothesis about its future.

An animated film about the history and use of hot water.

This documentary looks at developments in the Canadian forestry industry from the 1970s. Turning a Newfoundland bog into woodland, fostering British Columbia seedlings that withstand mechanical planting, inoculating Ontario elms against the bark beetle, devising ways of controlling fire... these are some of the experiments shown being carried out in laboratories and in the field to protect and conserve the country's vast forests.

A film about the Veluwe region of the Netherlands, by the director of the Gemeentelijke Schoolbioscoop in Rotterdam. We see detailed images of villages, towns, moors, streams, ponds, poultry, and sheep farming. Van der Wel shot his own footage (according to the intertitles), but also used existing films. He drew mainly on the ‘city films’ from the catalogue of HAP & BenS. We see, for example, images from the films "Oosterbeek aan den Rijn" and "De Steeg" made by the Arnhem film company AFKO; and from the films made for Haghe Film "From Arnhem en omstreken" to "Barneveld and Elburg", directed by Willy Mullens.

Ceschi and Stamm's documentary tells the incredible story of Monika Krause, a former East German citizen, who became Fidel Castro's Sexual Education Minister. After 20 years in Cuba, Krause set the Cuban sexual revolution in motion: in favor of a woman's right to sexual fulfillment and legal abortion, and against exclusion of homosexuals, she acquired the title "Queen of Condoms". A film about potent female agitators, staunch macho men and Caribbean love lives.

A documentary about the crowd of people that commingle throughout the 3.5km of the Minhocão, an overpass in the central region of São Paulo, built during Brazil's military dictatorship.

Share an exciting adventure with Sandy and Crystal as they go searching for "Mica's Magic Gemstone." Along the way to finding their treasure, they meet four very interesting characters: Mica - the tour guide, Sir Sediment - ruler of the sedimentary rocks, Iggy St. Igneous - guardian of the igneous rocks, and Matty Morphic - the metamorphic magician. Our characters use catchy songs to introduce Sandy and Crystal to the three major categories of rocks.

Wayne Adam Ford is a convicted serial killer on Death Row. Victoria Redstall is a model who trained to be a cop. Together, and against all odds, Ford and Redstall take us on a roadtrip into the mind of a serial killer and attempt to find the identity of his first victim. All that remained of her was a dismembered torso.

A film about fireworks, the people who make them and the cultures behind them across the globe.