An animated short film that explains in a pedagogical way how the radio transmission works. Created by Czech filmmakers it was commissioned by Argentina Schools. The film tells the story of Curious, an extraterrestrial child that reaches the planet earth attracted by the sound waves. There he meets the Queen of Waves, an ethereal figure who teaches her step by step the process by which sound is captured, amplified, modulated and transformed into electromagnetic vibrations to be transmitted by a radial antenna.
An educational document that clearly shows how the new collective method of building in the so-called "threes" can achieve an increase in labor productivity and, as a result, help to eliminate the general lack of apartments.
Once you're old enough to make decisions for yourself, how exactly do you go about doing it? How can you really know which choice is best for you?
Cement
Vápno
Vodní energie
Zima v Československu
Learn how to climb Great Gable in the Lake District, via the Arrowhead ridge climb.
Kids help around the farm on the South Devon coast.
Povrchové napětí
O světle
Developments in the Canadian forestry industry during the 1970s are shown being carried out both as lab experiments and in the field to protect and conserve the country's vast forests. These include 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, and more.
Shows the harmful effects on 16mm film of improper projector cleaning, film threading, film rewinding, and placement of films in cans. Points out the physical qualities of 16mm film which make it susceptible to damage and demonstrates the way that film may be protected.
A primer on proper phone manners produced for the New Zealand Post Office.
Two eighth graders doing an assembly on cleanliness and neatness seek underclassmen. A look into Don and Mildred's hygienic endeavors.
"Tetsudou" version of the series full of popular vehicles for children. Fifty kinds of trains selected from the railway active in Japan such as Shinkansen, SL (steam locomotive), limited express, etc. are recorded with powerful images. Introducing a nostalgic train that is not running now as a bonus picture.
Short educational film of our solar system
Educational short film
Join Construction Foreman Dave as he explores the endless fascination of heavy construction. From jack hammers to the largest bulldozers, kids will experience up-close all the exciting sights and sounds of a construction crew at work. From their safe front-row seat, kids will find out what it's like to operate a dump truck, a crane. a concrete mixer and other huge ground-shaking machines! Filmed on location at actual construction sites.
This 90-minute documentary brings to life Gavin Pretor-Pinney’s international bestseller, “The Cloudspotter’s Guide”, which draws on science, meteorology and mythology for a magical journey through the world of clouds. It is no dry treatise on the science of nephology but a playful trip through the varied beauty and distinctive personalities of the ten principal cloud types From the ethereal cirrus to the terrifying cumulonimbus, the film tells the story of the short but eventful life of clouds and their importance to our planet. Find out how immense quantities of water can stay up in the sky for so long and how lightning and thunder are created.