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

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

This string theory lecture focuses on holographic duality (also known as gauge / gravity duality or AdS / CFT) as a novel method of approaching and connecting a range of diverse...

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,...

In this online course, Herbie Hancock teaches how to improvise and compose Jazz. The course includes more than 20 video lessons and various supplemental materials.

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

This online course teaches more advanced concepts in Android, like using threads and services for background work, sharing data with intents and broadcast receivers, and proper...

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

Comprehensive language course in Greek. 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 lecture aims to provide an understanding of radar systems concepts and technologies to military officers and civilians involved in radar systems development,...

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

Khan Academy provides various free lessons for learners who prepare for the SAT test.

This online lecture is designed to serve as a first course in an undergraduate electrical engineering (EE), or electrical engineering and computer science (EECS) curriculum.

In this online course, former CEO of PepsiCo Indra Nooyi teaches how to think big, be brave, and make purpose-driven changes at work. The course includes more than 20 video...

This online video lecture series explores various advanced aspects of organic chemistry.

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

In this online course, mindfulness expert Jon Kabat-Zinn teaches how to incorporate meditation into everyday life. The course includes more than 15 video lessons and various...

The course is structured around three intertwined sets of topics: Happiness and Flourishing; Morality and Justice; and Political Legitimacy and Social Structures. It covers...

This online lecture series explores the science of the Covid-19 pandemic.

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