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This online lecture gives an introduction to computer architecture. It explores in great detail how computers are designed.

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

This calculus lecture covers differentiation and integration of functions of one variable, and concludes with a brief discussion of infinite series.

This online lecture series explores real-world applications of category theory. Category theory provides a framework in which to organize formal systems and by which to...

In this online course, through scientific presentations, critical reflection and discussion, students learn current research topics in the field of Cyber Physical Systems.

In this online course, star DJ Armin van Buuren teaches how to produce, perform and promote dance music. It includes using samples and plug-ins, mixing, recording vocals, and...

Khan Academy provides various free introductory art history video lessons. Topics include prehistoric art, ancient mediterranean art (Egypt, Greece, Rome and others), medieval...

In this online course, Chris Voss (a former FBI kidnapping negotiator) teaches how to negotiate. The course includes more than 10 video lessons and various supplemental materials.

This course provides a selection of individual lessons and analyses from experts on the 2020 corona virus outbreak. It includes topics such as an epidemic overview, fatality...

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

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

This short online course explains the cosmic origin of the elements: The lighter elements were mostly produced in the Big Bang, and the rest were formed within stars and...

In this online course, "Watergate" reporter Bob Woodward teaches investigative journalism. 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.

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

This online video lecture series explores the impact of computers and technology on social science fields.

In this online course, best-selling author Judy Blume teaches writing. The course includes more than 20 video lessons and various supplemental materials.

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...

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