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Khan Academy provides various free introductory physics video lessons. Topics include velocity and acceleration, forces and Newton's laws of motion, gravitation, energy,...

Highlights of Calculus is a series of short online videos that introduces the basics of calculus—how it works and why it is important.

This online course program gives an introduction to AWS DevOps.

This series of online lectures explores the physical and social form of cities. It covers theories about the form that settlements should take and attempts a distinction between...

This course focuses on three particularly interesting areas of astronomy that are advancing very rapidly: Extra-Solar Planets, Black Holes, and Dark Energy. The course explores...

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

This online lecture course is intended as an introduction to political philosophy as seen through an examination of some of the major texts and thinkers of the Western political...

In this online course, NBA champion Stephen Curry teaches basketball. The course includes more than 15 video lessons and various supplemental materials.

This online video lecture series gives an introduction to linguistics.

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...

This online lecture explores photography as a disciplined way of seeing or investigating urban landscapes, and expressing ideas. Readings, observations, and photographs form the...

Khan Academy provides various free introductory programming video lessons. Topics include JavaScript, HTML and CSS, SQL, and more.

This online lecture series gives an introduction to General Relativity.In includes 12 video lectures by the University of Tübingen. Each lecture shows a table of contents that...

This online lecture discusses aspects of Organizational Psychology.

These online lessons explain the basics of cross sections in anatomy. In addition to the free video lessons, further (paid) trainings are available.

Khan Academy provides various free introductory mathematics video lessons. Topics include elementary math, algebra, geometry, calculus, trigonometry, differential equations,...

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,...

This course teaches how to style websites with CSS.

This online lecture gives an introduction to machine learning for physicists. [Note: Lectures 1 and 2 are not in the right order on the course overview page.]

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