The Great Courses
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In this lecture, turn to the other great power players in Renaissance Italy, including the kingdoms of Naples and Sicily and the duchy of Milan. Then, examine the eclipse of the age of the republics by the age of the tyrants: elite families who used cunning to obtain - and maintain - positions of authority.
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Introduction to Psychology volume 16
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What do you do when you witness bad behavior? Do you stand up to say something, or do you remain silent? This episode examines what researchers in psychology say about how people approach moral decisions -- and why they choose to act. Survey models and theories of moral development.
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How to Paint volume 4
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This episode opens with a brief look at the rendering of three-dimensional forms using light and shadow, known as volume, and why it is easier to achieve than you might think, once you know how to look at the effects of light. Paint geometric objects using your new understanding of light sources, cast shadows versus form shadows, and reflective effects.
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Chemistry 2nd Edition volume 34
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After learning about equilibrium systems, move on to a particular type of system: "solubility equlibria," or the equilibria found in saturated solutions of slightly soluble ionic solids. Explore this concept as you practice solving a variety of related problems.
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How to Paint volume 6
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Why is color like musical notes? In this second look at color, learn how context and interaction is key, and why a limited palette of four or five colors can be surprisingly powerful. Create a quick painting from a monochrome reference image, using just four colors, while utilizing ratio, value, and temperature to do the heavy lifting of the piece.
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Great Courses volume 12
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In the wake of Julian's death there was great confusion, which occupies Chapters 25 to 28. Topics covered here include increased barbarian threats from in Britain, Germany, the Middle East, the Danube, and North Africa; the "chaste and temperate" rule of Theodosius; and Gibbon's intriguing thoughts on Christian veneration of saints' relics.
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Using Slovenia as a model, explore some of the crucial questions concerning the evolution of world economies. Are economies becoming more similar? Or are they diverging? Is there even a clear-cut answer? The issues and debates that opened the course come full circle here; definitive answers remain elusive, but the tools provided open up a world of possibilities.
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Years That Changed History 1215 volume 5
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If you went back in time and asked anyone in 1215 what the most important event of the year was, most people in Europe would cite the Fourth Lateran Council. In this episode, Professor Armstrong surveys the history of Christianity and the events leading up to this pivotal ecclesiastical event.
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Reveal what honeybees are really communicating with their waggle dance and why specific dances are used in specific circumstances. From waggle dances to pheromones, insects have developed unique efficiencies in their communication and actions, both at the individual and group level. Scientists have been taking notice-and mimicking the insects wherever possible.
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Nuclear Physics Explained volume 7
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High school chemistry introduces students to the atomic shell model, which describes the distribution of electrons around the nucleus. In this lecture, learn the analogous nuclear shell model and the magic numbers that constitute full shells of protons and neutrons within the nucleus. Also, discover how an entire nucleus can ring like a bell or spin like a top.
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Great Courses volume 2
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Learn how two seemingly separate phenomena, electricity and magnetism, were shown by James Clerk Maxwell in the 1860s to be aspects of a single underlying force, demonstrating how unification works in physics. Then see how Maxwell's equations of electromagnetism make a remarkable prediction.
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There's a business side to baseball that goes back to the amateur clubs of the game's earliest years. In this episode on the economics of America's pastime, explore early resentment about paying for tickets; the rise of advertising and promotions to increase fan allegiance; and the emergence of brand-empowering logos, colors, and nicknames.
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From face masks and chest protectors to catcher's mitts and fielder's gloves, explore how protective equipment became more and more a part of baseball (after much tinkering and adjusting). Also, consider complaints by "old-time" baseball fans that the proliferation of protective equipment robbed the sport of two crucial elements: skill and courage.
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Scientific Guide to Health and Happiness volume 23
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Not too long ago, measuring health tenets with technology used to be the things of science fiction. Dr. Miller discusses the usage of personal monitoring devices, apps, fitness trackers, and genetic tests that are now widely accessible to all.
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Unpack the term "Crusade" and situate it in its cultural context. When Pope Urban said it was the Christians' duty to take up arms against the "infidels," ordinary people were swept up in the idea that they were fighting to save Christianity and their own souls against the advance of Islam.
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Great Tours France through the Ages volume 18
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Trace Burgundy's history as a politically independent duchy, and begin your visit at Dijon's Les Halles Centrales market, an exemplar of the lively culture of French street markets. Review Burgundy's dining specialties before traveling to Baune, with its medieval treasures and iconic wine auction. Learn about the region's famous citizens, from Louis Pasteur to Resistance heroine Lucie Aubrac.
59) Understanding the Universe: An Introduction to Astronomy, 2nd Edition: The Inflationary Universe
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The remarkable large-scale uniformity and "flatness" of the Universe pose a problem for the standard Big Bang theory. A startling but powerful suggested explanation is that the Universe went through an initial period of exponential expansion, called inflation.
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One of the most potent human aspirations supported by engineering is to build up. Learn how this has been done from antiquity to the present with columns - structural members that carry load primarily in compression. You'll also learn about buckling: the often catastrophic stability failure that occurs in columns with certain geometric characteristics.