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

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

This online course covers system identification. It includes eg. Introduction to modeling: Black-box and grey-box models; Parametric and non-parametric models; ARX, ARMAX (etc.)...

This course will examine the American Revolution from a broad perspective, tracing the participants' shifting sense of themselves as British subjects, colonial settlers,...

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 gives an introduction to TypeScript (a programming language that builds on JavaScript).

This course examines major works by Hemingway, Fitzgerald, and Faulkner, exploring their interconnections on three analytic scales: the macro history of the United States and...

This online course teaches how to use relative units and media queries to create websites that can be viewed across devices of all sizes.

This online lecture covers selected aspects of landscape architecture. [Note: Part 1 "Landschaftsarchitektur I" was read in German.]

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 lecture gives an overview of scepticism in the context of Jewish philosophy.

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 online lecture covers major results and directions of research in data structure.

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

This online lecture series gives an introduction to quantum mechanics for use by chemists. Topics include particles and waves, wave mechanics, semi-classical quantum mechanics,...

This course will examine law through case histories including: environmental effects of national security, pesticides, air pollution, consumer products, plastics, parks and...

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 is the first semester in a two-semester introductory video lecture focused on current theories of structure and mechanism in organic chemistry, their historical...

This online course teaches the JavaScript language, jQuery, the JavaScript framework and the ins-and-outs of adding interactivity in the browser.

This online lecture focuses on the equations and techniques most useful in science and engineering.