The Path to Nuclear Fission - The Story of Lise Meitner and Otto Hahn
The story of two close friends who discovered nuclear fission is told in great detail within the context of both World Wars. This video is as much about role of scientists in political events, social responsibility, and discrimination against women…
The Poisoner's Handbook
Part of the Series: American Experience
In the early 20th century, the average American medicine cabinet was a would-be poisoner's treasure chest, with radioactive radium, thallium, and morphine in everyday products. The pace of industrial innovation increased, but the scientific knowledge to detect and prevent crimes…
The Chemistry of Food and Drink
Episode 15 of The Nature of Matter
Explore the chemistry of food and drink from the point of view of the cook and the consumer. What are the chemicals in an egg, a piece of toast, a slice of bacon, and other typical foods? How does cooking…
Out from the Shadows - The Story of Irene Joliot-Curie and Frederic Joliot Curie
Nominated for the Grand Jury Prize at the 2009 Paris Science Film Festival in France. Using newsreels, family home movies and stills, stock footage, dramatization and interviews, this biography relates the life and times of Irene Joliot-Curie and her husband,…
Materials for Body Implants
Episode 14 of The Nature of Matter
Today, medicine can replace many parts of the human body thanks to an improved understanding of materials and their biochemistry. Trace the progress in body implants from dental fillings and tooth implants to artificial hips, knees, hearts, arteries, and breast…
Into the Atom
Part of the Series: The Mystery of Matter
Caught up in the race to discover the atom's internal parts--and learn how they fit together--is a young British physicist named Harry Moseley, who uses newly discovered X-rays to put the Periodic Table in a whole new light. And a…
Energy Sources - Economics and Politics
Episode 22 of The Science of Energy
Professor Wysession outlines some of the major economic and political forces shaping the development of the world's energy resources. You'll learn how hidden costs can affect the economics of supply and demand, how governments can incentivize and dis-incentivize energy industries,…
Probable and Possible Future Energy Sources
Episode 23 of The Science of Energy
Look ahead to the possible (and probable) advancements in the areas of energy resources. You'll cover the growth of tidal and wave energy, the difficulty of nuclear fusion, the energy potential of earthquakes and supervolcanoes, and giant space arrays of…
Out of Thin Air
Part of the Series: The Mystery of Matter
One of science's great odd couples--British minister Joseph Priestley and French tax administrator Antoine Lavoisier--together discover a fantastic new gas called oxygen, overturning the reigning theory of chemistry and triggering a worldwide search for new elements. Soon caught up in…
Solar Power and Electricity
Episode 14 of The Science of Energy
The biggest area of growth for solar energy: transforming sunlight into electricity with the aid of solar panels. Go inside the world of photovoltaic solar panels to find out how they convert sunlight into functional power. Also, take a closer…
The Science of Nuclear Power
Episode 11 of The Science of Energy
Travel to the subatomic level for a fascinating exploration of how nuclear energy is generated. It's an eye-opening lecture that touches on everything from nuclear fission and radioactive decay to the inner workings of nuclear power plants and the attendant…
Energy and Human Civilization
Episode 1 of The Science of Energy
How much energy is required to power human civilization? What is it that makes our cities, factories, homes, and cars so energy inefficient? How can the average individual affect energy directions? Find out in this overview of how energy touches…
Acids, Bases and Salts (2nd Ed.)
Part of the Series: Chemistry Series
Acids, bases, and salts--three related groups of compounds of unusual chemical significance--are investigated and explained.
Hydroelectric Power - Electricity from Water
Episode 16 of The Science of Energy
Hydroelectric power continues to be the planet's largest renewable source of electricity. In this lecture, Professor Wysession discusses the benefits of hydroelectric power (no CO2 production, free fuel) and drawbacks (environmental disruption); how hydroelectricity generation works; run-of-the-river and impoundment-style power…
Basic Concepts of Quantitative Reasoning
Episode 2 of Chemistry, 2nd Edition Course
Introductory chemistry is not mysterious: It requires simple quantitative reasoning that comes naturally to most students. You learn about the types of numbers involved in chemistry and how to solve problems commonly encountered in high school chemistry.
Electricity - Ultimate Energy Converter
Episode 4 of The Science of Energy
Discover what makes electricity such an attractive vehicle for energy. Learn how electricity can come from oil, coal, solar, and other forces, and how electricity travels through wires with the help of voltage. Also, examine recent advances that make it…
Interactions: Adhesion and Cohesion
Episode 11 of The Nature of Matter
Probe the forces that allow lizards to walk up walls: adhesion and cohesion, which are ways that materials interact with themselves and with other materials. By examining these forces in depth, learn how adhesives work and why cotton makes the…
The Structure of Atoms and Molecules
Episode 4 of The Nature of Matter
Understand atomic and molecular structure with the help of a simple analogy: the rooms of a house and the collection of houses in a city. See how the electrons of an atom occupy shells, subshells, and orbitals, which give atoms…
Matter, Energy, and Entropy
Episode 1 of The Nature of Matter
Starting with a deck of cards tossed into the air, explore the key concepts of matter, energy, and entropy, which are the building blocks of the physical universe. Study examples of these phenomena, and see how they are demonstrated by…
Introduction and Philosophy
Episode 1 of Chemistry, 2nd Edition Course
In this first lecture, Professor Cardulla explains how any student can find success in chemistry by cultivating a meaningful understanding of the concepts and quantitative thinking operations that underlie this often challenging area of study.