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This online lecture gives an introduction to cooperation systems related to digital computer systems.

This online lecture series introduces some of the important model systems studied in contemporary physics, including two-dimensional electron systems, the fine structure of...

This series of online lectures discusses various aspects about religion and interdisciplinary and interreligious academic and social discourse.

This course will examine law through case histories including: environmental effects of national security, pesticides, air pollution, consumer products, plastics, parks and...

This online lecture series gives an introduction to galaxies and cosmology. It includes the Milky Way and the Local Group as well as larger-scale structures of the universe.

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

Khan Academy provides various free introductory video lessons on electrical engineering. Topics include circuit analysis, amplifiers, semiconductors, electrostatics, signals and...

This online lecture series discusses the evolution and role of urban public transportation modes, systems, and services, focusing on bus and rail. It covers various topics,...

Free Danish language app with many short tests to learn "on the go". (Not a video course.)

This online lecture course is intended as an introduction to political philosophy as seen through an examination of some of the major texts and thinkers of the Western political...

This online lecture series gives an introduction to blockchain technology and its potential use in the world of money and finance.

This online lecture covers eg.: 1. Direct Methods for linear systems of equations 2. Interpolation 3. Iterative Methods for non-linear systems of equations 4. Krylov methods for...

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

Khan Academy provides various free lessons for learners who prepare for the SAT test.

This online lecture series explores functional analysis, i.e. solving both linear and nonlinear problems posed on a normed space that is no longer finite-dimensional. Topics...

Free Italian language app with many short tests to learn "on the go". (Not a video course.)

This online video lecture series gives an introduction to deep learning.

Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...

This online lecture deals primarily with equilibrium properties of macroscopic systems, basic thermodynamics, chemical equilibrium of reactions in gas and solution phase, and...

This video lecture discusses the computational complexity theory, including the Chomsky hierarchy, (un-) decidability,SPACE versus TIME, EXPSPACE and more advanced topics.