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

This online course explores what cities and users can do to reduce their energy use and carbon emissions.

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...

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

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

Comprehensive language course in German. The idea of this course is to learn the language "like a native". This means that the course creates an immersive learning experience...

This series of lectures gives an introduction to complex analysis.

The purpose of this course is to examine the African American experience in the United States from 1863 to the present.

This online lecture aims to help students acquire both the mathematical principles and the intuition necessary to create, analyze, and understand insightful models for a broad...

This online lecture provides an introduction to the chemistry of biological, inorganic, and organic molecules.The emphasis is on basic principles of atomic and molecular...

In this online course, popular astrophysicist and scientist Neil deGrasse Tyson teaches scientific thinking and communication.

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 is an introduction to the theory that tries to explain how minds are made from collections of simpler processes.

These short online courses provided by Skillshare cover various topics around web design / UX / UI, including the details of user experience and user interface, prototyping,...

This online course teaches the JavaScript language, jQuery, the JavaScript framework and the ins-and-outs of adding interactivity in the browser.

This online lecture discusses aspects of Decays in Quantum Field Theory.

This online lecture gives an overview of hardware-software co-design, including structural concepts, architectures and design methods.

This course covers the body of modern poetry, its characteristic techniques, concerns, and major practitioners. The authors discussed range from Yeats, Eliot, and Pound, to...

This online lecture series offers a broad survey of modern European history, from the end of the Thirty Years' War to the aftermath of World War II. Along with the consideration...