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Khan Academy provides various free introductory physics video lessons. Topics include velocity and acceleration, forces and Newton's laws of motion, gravitation, energy,...

This online lecture series covers the basic principles of Einstein's general theory of relativity, differential geometry, experimental tests of general relativity, black holes,...

This advanced-level online lecture gives an introduction to gravitational waves in astrophysics.

This collection of YouTube playlists provides an introduction to car technology for beginners. It includes several video lists on topics such as car engines, engine components,...

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

This online lecture covers elementary discrete mathematics for computer science and engineering.

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

This course is an introduction to game theory and strategic thinking. Ideas such as dominance, backward induction, commitment, asymmetric information, and signaling are...

This is the second of a two-part online lecture beginning with Atomic and Optical Physics I that provides the foundations for contemporary research in selected areas of atomic...

This online lecture covers differential, integral and vector calculus for functions of more than one variable. These mathematical tools and methods are used extensively in the...

Die Online-Kurse der KhanAcademy geben eine erste Einführung in die Programmierung für Anfänger. Enthalten sind die Sprachen JavaScript, HTML, CSS und SQL.

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

In "The American Novel Since 1945" students will study a wide range of works from 1945 to the present. The course traces the formal and thematic developments of the novel in...

This course shows the basics of SQL data analysis to explore dips and spikes in data and build business metrics.

The course facilitates a close reading of Don Quixote in the artistic and historical context of renaissance and baroque Spain. Students are also expected to read four of...

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

This online lecture video introduces students to the basic knowledge representation, problem solving, and learning methods of artificial intelligence.(Note: Also check out our...

This online course gives a free introduction to digital currencies such as Bitcoin. It is also the first course of an online master's program in digital currencies from the...

This online lecture introduces the core theory of modern financial economics and financial management, with a focus on capital markets and investments.

This online course explores the fundamentals of JavaScript, the programming language of the Web.The course was designed for learners who have some knowledge of HTML and CSS and...