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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...

Khan Academy provides various free introductory chemistry video lessons. Topics include atoms and compounds, chemical reactions, the periodic table, chemical bonds,...

This series of lectures gives an introduction to complex analysis.

This online video lecture gives an introduction to the philosophy of economics.

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

This is an online lecture about the design and implementation of secure computer systems. Lectures cover threat models, attacks that compromise security, and techniques for...

Khan Academy provides various free introductory biology video lessons. Topics include acids and bases, properties of carbon, macromolecules, energy / metabolism, enzymes, cell...

This online lecture is particularly recommended for persons who are interested in starting or are involved in a new business or venture.

This online lecture is an introduction to the dynamics and vibrations of lumped-parameter models of mechanical systems. Topics covered include kinematics, force-momentum...

This online lecture discusses various aspects around internet security. After a brief introduction to the structure of the internet, problems such as hackers and viruses, the...

This online lecture series gives an introduction to the fundamental algorithmic approaches for creating robot systems that can autonomously manipulate physical objects in...

This online lecture emphasizes dynamic models of growth and development. Topics covered include: migration, modernization, and technological change; static and dynamic models of...

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...

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

This online lecture series gives an introduction to Greek history. It traces the development of Greek civilization as manifested in political, intellectual, and creative...

This course will examine the American Revolution from a broad perspective, tracing the participants' shifting sense of themselves as British subjects, colonial settlers,...

This online course teaches the fundamental concepts of Blockchain and how to implement them in Python. Learners with prior Python experience will be able to build their own...

This online lecture series gives an introduction to quantum computing. It includes topics such as the history of quantum computing, the basics of quantum mechanics, quantum...

This online course includes various free introductory history video lessons. Topics include:The beginnings and the neolithic revolution; Ancient civilizations in...

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