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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,...

This online lecture covers the fundamentals of signal and system analysis, focusing on representations of discrete-time and continuous-time signals (singularity functions,...

This online course gives an introduction to Kotlin, a popular programming language for Android development, web development, and more.

This course explores the physical processes that control Earth's atmosphere, ocean, and climate. It includes topics like: clouds, rain, severe storms, air pollution, ocean...

This online course teaches basic programming knowledge to build your first PHP websites.

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...

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

This online course gives an introduction to jQuery (a JavaScript library).

In this non-technical online course for a broad audience, the former commander of the International Space Station (ISS) teaches the science of space exploration. It includes...

This online lecture offers a holistic view of the aircraft as a system, covering: basic systems engineering; cost and weight estimation; basic aircraft performance; safety and...

This online lecture video introduces students to the basic knowledge representation, problem solving, and learning methods of artificial intelligence.(Note: Also check out our...

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...

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 class is a study of Milton's poetry, with attention paid to his literary sources, his contemporaries, his controversial prose, and his decisive influence on the course of...

This online course gives an introduction to the programming language Python.

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

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

This online course introduces learners to the basics of Lua, a general-purpose programming language used for building games, web apps, and developer tools.

This online video lecture series gives an introduction to Artificial Intelligence (AI).

Khan Academy provides various free introductory macroeconomics video lessons. Topics include national income and the GDP, inflation, demand and supply, business cycles, the...