Why It Was Almost Impossible to Make the Blue LED

Narratives of ecologists and conservationists are pitted against the human tendency to engineer and control in this probing documentary on the lucrative salmon-hatchery industry.

The extraordinary story of Swedish writer Selma Lagerlöf (1858-1940), creator of Nils Holgersson, a memorable and legendary literary character, and the first female storyteller to win the Nobel Prize for Literature (1909); a woman as pioneering in her life as in her remarkable work.

Treats drafting as a means of visual communication and a key to organized training and planning. Discusses the importance of drafting in various fields such as architecture, engineering, and industry. Drafting allows individuals to communicate their ideas visually, leading to accurate planning and construction. It is emphasized that drafting skills open up numerous career opportunities in different industries.

The Academy Award® nominee Cosmic Voyage combines live action with state-of-the-art computer-generated imagery to pinpoint where humans fit in our ever-expanding universe. Highlighting this journey is a "cosmic zoom" based on the powers of 10, extending from the Earth to the largest observable structures in the universe, and then back to the subnuclear realm.

An account of the brief life of the writer Albert Camus (1913-1960), a Frenchman born in Algeria: his Spanish origin on the isle of Menorca, his childhood in Algiers, his literary career and his constant struggle against the pomposity of French bourgeois intellectuals, his communist commitment, his love for Spain and his opposition to the independence of Algeria, since it would cause the loss of his true home, his definitive estrangement.

A physicist, a director of popular-science films, and a sports fan talk about the structure of the atom between periods of a hockey game they watch on TV.

In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers of the sun, fusion, and more. The Standard Deviants make learning astronomy easier with their unique teaching style, which incorporates humor, mnemonics, and sophisticated computer graphics.

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's Law, the universal law of gravitation, the Doppler Effect, and much more!

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have to be! Whether you need help with high school physics, need to review for a college physics class, or you're studying for the AP Physics Exam, this physics tutorial will help you understand the basics, such as Newton's Laws, the Law of Universal Gravitation, Kepler's Law and more.

D Carleton Gajdusek won the Nobel Prize for the discovery of Prions - the particles that would emerge as the cause of Mad Cow disease - while working with a cannibal tribe on New Guinea. He was a star of the scientific world. Over his years working amongst the tribes of the South Seas, he adopted 57 kids, bringing them to a new life in Washington DC. His adoptions were hailed as wonderful fatherly beneficence. But, at the height of his career, rumours began to spread he was a paedophile. Gajdusek would argue that if sex with children was okay in their own cultures, he wasn't wrong to join in. How could a great mind like Gajdusek's lose insight so totally, and why would the scientific community to which he was a hero be so quick to leap to his defence and dismiss the allegations? (Storyville)

The mavericks who pioneered the modern pit stop made it a raceday staple that takes less than two seconds.