The Nuclear Fission Fuel Cycle
Episode 12 of The Science of Energy

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The Science of Energy - Resources and Power Explained
Energy is, without a doubt, the very foundation of the universe. It's the engine that powers life and fuels the evolution of human civilization. Yet for all its importance, what energy really is and how it works remains a mystery to most non-scientists. For example:
  • Where does most of…
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 fears and concerns of core meltdowns.
Energy - Forms and Conversion for Use
Episode 2 of The Science of Energy
Energy is a fundamental part of our universe--in a sense, the universe is energy. Here, Professor Wysession introduces you to the many fascinating forms energy takes, including potential, kinetic, mechanical, and thermal energy. He also explains how energy is measured to make you more fluent in "energy-speak" for the coming…
Energy from the Nucleus
Investigate nuclear fission, in which a heavy, unstable nucleus breaks apart; and nuclear fusion, where light nuclei are joined. In both, the released energy is millions of times greater than the energy from chemical reactions and comes from the conversion of nuclear binding energy to kinetic energy.
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 and Jews, as it is about the science, though the…
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 plants; and the basics of the water cycle.
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 solar panels designed to capture even more solar energy.
Stoichiometry Problems
You extend your study of stoichiometry to consider more complex problems involving volume, molecules, and energy.
Energy Trends - Planning for the Near Future
Episode 24 of The Science of Energy
According to Professor Wysession, there's no easy solution to the world's energy future. Going through many of the sources explored in previous lectures, he estimates how much energy we'll need, what sources are (and will be) available to us, and how to think realistically--and optimistically--about our energy consumption.
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, and the complexities of international agreements (and trade wars).
Introduction and Philosophy
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.
The SI (Metric) System of Measurement
Next, you continue to lay a strong foundation for your understanding of chemistry by learning about one of the key tools you'll be using: the International System of Units (SI), or the metric system. This lecture explains why this system is so useful to scientists and lays out the prefixes…