Black Holes
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April 27, 2009 - Leonard Susskind discusses the basic physics of the diatomic molecule and why you don't have to worry about its structure at low temperature. Susskind later explores a black hole thermodynamics.
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Young talks about how he works to manage relationships not only with his teammates, but with his wife and children. It is about being able to step back and understand what holes in your life exist, he notes. In addition, it is about savoring each moment and seeing the overall picture.
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Black Debate
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This class session is a guest lecture by Elaine Brown on the Black Panther Party.
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Black Reconstruction in the South: The Freedpeople and the Economics of Land and Labor
Yale / History
Professor Blight begins this lecture in Washington, where the passage of the first Reconstruction Act by Congressional Republicans radically altered the direction of Reconstruction. The Act invalidated the reconstituted Southern legislatures, establishing five military districts in the South and insisting upon black suffrage as a condition to readmission. The eventful year 1868 saw the impeachment of one president (Andrew Johnson) and the ...more
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This lecture opens with a discussion of the myriad moments at which historians have declared an "end" to Reconstruction, before shifting to the myth and reality of "Carpetbag rule" in the Reconstruction South. Popularized by Lost Cause apologists and biased historians, this myth suggests that the southern governments of the Reconstruction era were dominated by unscrupulous and criminal Yankees who relied on the ignorant black vote to rob a...more
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Justice is one of the most popular courses in Harvard’s history, having taught more than 14,000 students over the course of two decades. In this course, Sandel challenges us with difficult moral dilemmas and asks our opinion about the right thing to do. He then asks us to examine our answers in the light of new scenarios. The results are often surprising, revealing that important moral questions are never black and white. This course...more
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This lecture reviews selected concepts previously covered in lectures 6 through 15. Professor Lewin covers work-energy theorem, pendulum energy, simple harmonic oscillators, Newton's Law of Universal Gravitation, resistive forces, and finally collisions and conservation of momentum. At the beginning of class a top is spun on the desk in the lecture hall to show that friction dissipates the top's kinetic energy into heat, and the top quickl...more
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In many regions, the central cultural idea is that of a lineage, a family and its line of male ancestors and descendants. The prime duty in these cultures is to keep the lineage going. Religion is small scale with the ancestors performing many of the functions of gods. Denser populations and larger political entities lead to large-scale religion where conformity is stressed and cultural rules are codified in a book and not subject to discu...more
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Professor Kleiner focuses on Ostia, the port of Rome, characterized by its multi-storied residential buildings and its widespread use of brick-faced concrete. She begins with the city's public face--the Forum, Capitolium, Theater, and Piazzale delle Corporazioni. The Piazzale, set behind the Theater, was the location of various shipping companies with black-and-white mosaics advertising their business. Professor Kleiner examines the Baths ...more
