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This online lecture explores photography as a disciplined way of seeing or investigating urban landscapes, and expressing ideas. Readings, observations, and photographs form the...

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

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

This online course covers matrix theory and linear algebra, emphasizing topics useful in other disciplines such as physics, economics and social sciences, natural sciences, and...

This online course teaches web development based on the Ruby on Rails framework.

This online video lecture series explores various topics of robotics.

In this online course, Richard Branson teaches entrepreneurship. The course includes more than 10 video lessons and various supplemental materials.

This online lecture is a first-year college course on the principles of chemistry.

The goal of this online lecture is to illustrate the spectroscopy of small molecules in the gas phase.

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...

Khan Academy provides various free introductory computer science video lessons. Topics include algorithms, cryptography, information theory, computer hardware and software,...

This online course gives an introduction to Alexa, the Voice User Interface (VUI) application by Amazon.The course shows how to build a simple interaction model that responds to...

This graduate-level online lecture includes numerical methods; initial-value problems; network flows; and optimization. (The title of part 1 is: Computational Science and...

In this online course, Carlos Santana teaches how to play guitar. The course includes more than 10 video lessons and various supplemental materials.

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...

These online lessons explain the basics of histology. In addition to the free video lessons, further (paid) trainings are available.

This online video lecture series discusses advanced topics related to algorithms in computer science.

In this online course, Oscar winner Martin Scorsese teaches filmmaking. The course includes more than 20 video lessons and various supplemental materials.

This online course teaches how to build powerful interactive applications with this popular JavaScript library. React is an open source library developed by Facebook.

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