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

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

This series of lectures gives an introduction to the mechanics of spaceflight.

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 course teaches how to create websites by structuring the pages with HTML.The course is designed for beginners and includes HTML elements and structures as well as...

Khan Academy provides various free introductory video lessons on astronomy and cosmology. Topics include the scale of the universe, the Big Bang, stars, black holes, galaxies,...

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

This online video lecture series gives an introduction to linguistics.

This online lecture examines the neural bases of sensory perception. The focus is on physiological and anatomical studies of the mammalian nervous system as well as behavioral...

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

This online lecture explores the dynamics of evolution, including various mathematical models.

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

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

In this online course, professional skateboarder Tony Hawk teaches skateboarding skills and techniques.

This online video lecture series explores various topics of human-computer interaction.

In this online course, the founder of a successful "farm-to-table" restaurant chain teaches cooking with local, organic ingredients. The course includes more than 15 video...

In this online course, legendary Michelin chef Gordon Ramsay teaches the art of cooking. It includes topics such as a professional knife skills, how to break down a whole...

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

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