Free Download TTC – Understanding the Marvels of Medieval Technology

Released 3/2025
By Stephen Ressler, Ph.D. Professor, United States Military Academy, West Point
MP4 | Video: h264, 1280×720 | Audio: AAC, 44.1 KHz, 2 Ch
Genre: eLearning | Language: English | Duration: 24 Lessons ( 13h 32m ) | Size: 11.1 GB

The Middle Ages was an era of profound innovation that laid the foundation for the modern world. Between the 6th and 16th centuries, regions stretching from Ireland to Constantinople saw major progress in agriculture, architecture, industry, warfare, transportation, and information dissemination
The Middle Ages was an era of profound innovation that laid the foundation for the modern world. Between the 6th and 16th centuries, regions stretching from Ireland to Constantinople saw major progress in agriculture, architecture, industry, warfare, transportation, and information dissemination. These changes reshaped society and paved the way for the Renaissance and beyond with inventions such as
Heavy Plow: A wood-and-iron plow sturdy enough to break tough, heavy clay-rich soils greatly increased crop yields throughout Europe, enabling the cultivation of previously untillable land and setting the standard for plowing technology for centuries.
Gunpowder Artillery: The combination of three natural substances-sulfur, charcoal, and saltpeter-and metallurgical advances rendered traditional castles obsolete, shifting the balance of power. Handheld firearms had a similarly devastating effect on armored knights.
Printing Press: Gutenberg’s breakthrough combined several existing technologies-paper, ink, movable type, and a screw press-with his own system for casting metal type to revolutionize printing and vastly accelerate the spread of knowledge.
Other examples of innovation abound, from mechanical clocks to ocean-going sailing ships, from windmills to Gothic cathedrals, demolishing the popular association of “medieval” with stagnation and backwardness. In fact, the Middle Ages fostered a spirit of craftsmanship and experimentation that achieved wonders of astonishing sophistication.
Acclaimed engineering educator Stephen Ressler brings this exciting era to life in Understanding the Marvels of Medieval Technology. In 24 half-hour lectures, medieval engineering achievements are analyzed with hands-on demonstrations of engineering principles and detailed 3D computer models.
A registered professional engineer, Dr. Ressler is Professor Emeritus from the United States Military Academy at West Point. He is also a prolific contributor to The Great Courses. Once again, he has assembled a semester’s worth of teaching aids to explore a special topic in engineering-in this case, how medieval master builders, millwrights, carpenters, blacksmiths, armorers, shipwrights, and a host of other trades practiced and advanced their crafts.
The Medieval Miracle
The notorious “Dark Age” that supposedly descended over Europe after the fall of the Western Roman Empire in the 5th century was indeed a period of political instability and decline, but the sophisticated engineering inheritance from ancient Rome was never entirely lost. This legacy, combined with cultural and technological interchange with Asia and the Near East, laid the groundwork for the medieval innovation revolution. Understanding the Marvels of Medieval Technology probes this transformation from five perspectives
Enabling Technologies: New systems for agriculture, textile production, ironmaking, and power generation boosted the medieval economy, leading to population growth, increased trade, and flourishing cities.
Military Technologies: Military innovations such as the stirrup, the crossbow, gunpowder, siege machinery, and the full-rigged warship profoundly influenced both the conduct of warfare and the structure of society.
Civil and Structural Engineering: The built world of the Middle Ages is one of the lasting glories of Europe, with magnificent cathedrals, castles, bridges, timber houses, city walls, and other structures.
Mechanical Systems: Medieval craftsmen were ingenious and adaptable in their use of water, wind, and other power sources to perform a multitude of tasks-from milling grain and forging iron to sawing wood and measuring time.
Surprising Legacy: One important legacy of medieval technology may be on top of your nose: eyeglasses. The modern world owes a lot to the medieval quest to improve life in fundamental ways.
The Enduring Middle Ages
The Middle Ages ended half a millennium ago, yet many of its greatest engineering achievements survive and are among Europe’s most visited attractions. Understanding the Marvels of Medieval Technology gives you a deeper insight into these enduring structures. The most notable are the hundreds of surviving buildings, including cathedrals, churches, abbeys, and town halls. Professor Ressler discusses the birth of the Gothic style with the restoration of the Basilica of Saint-Denis near Paris in the 12th century. Directed by Abbot Suger, this project was the perfect marriage of a spiritual vision with new techniques for achieving structural elegance, providing a blueprint for a new architectural ideal.
No technical

Description

s of medieval construction methods have survived, but Professor Ressler shows how great Gothic structures must have been built, selecting the cathedral at Amiens, the largest in France, for his step-by-step analysis. You learn the all-important construction sequence and the role of the characteristic Gothic elements-pointed arches, flying buttresses, ribbed vaults, and stained-glass windows-and how they combined to produce an impression of grandeur and spirituality that has never been equaled. Remarkably, this impression was achieved with stone, timber, and glass using traditional building methods, with no recourse to sophisticated engineering calculations that would be indispensable today.
Professor Ressler also discusses two spectacular medieval domes, which were an inheritance from classical architecture-the 6th-century dome of Hagia Sophia in present-day Istanbul and the 15th-century dome of Florence Cathedral, designed by Filippo Brunelleschi. Both were the largest domes of their respective eras and involved groundbreaking engineering techniques.
In addition, the course introduces less-famous marvels of medieval ingenuity, for example
Salisbury Cathedral Clock: The oldest surviving mechanical clock-dated to 1386-is on display in England’s Salisbury Cathedral. At its heart is the verge escapement, called “one of the most elegant solutions ever devised to a problem in mechanical engineering.”
Elvet Bridge: Built over the course of several decades around 1200, the Elvet Bridge in Durham, England, demonstrates the medieval mastery of the stone arch, a technique inherited and refined from Roman engineering. Eight centuries later, the bridge is still in use.
Borgund Stave Church: Also constructed around 1200, the Borgund Stave Church in Norway is a rare surviving example of a traditional Scandinavian all-wood construction method. It features an elaborate structural framework supporting a steeply sloped roof that effectively sheds the ample Nordic snowfall in winter.
Naturally, some of the most popular medieval attractions in Europe are castles, with their signature moats, drawbridges, towers, and crenellated battlements, not to mention displays of armor and other knightly tools of war. Understanding the Marvels of Medieval Technology surveys Carrickfergus Castle in Northern Ireland, among other fortresses, explaining why these structures were built, how they evolved, where they were sited, and how their garrisons defended them-not always successfully, since attackers could be just as resourceful in using technology to breach, surmount, or undermine castle walls. Indeed, one of the noteworthy weapons used during sieges, the trebuchet, is a fitting metaphor for this course as a whole, since it beautifully suggests how medieval technology catapulted the world into modernity!
What Will You Learn?
Discover the secrets of Gothic cathedrals
Analyze the simple chemistry of gunpowder and consider its transformative power over civilization
Study how two seemingly impossible domes were constructed : the 6th-century dome of Hagia Sophia in Constantinople (located in present-day Istanbul) and the 15th-century dome of Florence Cathedral
Learn the many steps involved in printing a book and why Gutenberg’s press sparked an information revolution
Examine the clever mechanism that makes mechanical clocks possible
Peer into the fundamental medieval breakthrough of eyeglasses
Homepage:

www.thegreatcourses.com/courses/understanding-the-marvels-of-medieval-technology

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