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This course teaches how to build web apps with Ruby on Rails 4, giving learners the skills to use Ruby on Rails to create their own apps.

This is a continuation of Freshman Organic Chemistry I, the introductory video lecture on current theories of structure and mechanism in organic chemistry for students with...

Khan Academy provides various free introductory video lessons on health and medicine. Topics include human anatomy and physiology, circulatory system diseases, mental health,...

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

This online course has lectures which cover commercial and emerging photovoltaic technologies and cross-cutting themes, including conversion efficiencies, loss mechanisms,...

This online lecture by Yale University provides an introduction to the principles and methods of physics.The course covers Newtonian mechanics, special relativity, gravitation,...

This course teaches how MOS transistors work, and how to model them. The understanding provided in this course is essential not only for device modelers, but also for designers...

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

This online lecture covers the experimental basis of quantum physics. It introduces wave mechanics, Schrödinger's equation in a single dimension, and Schrödinger's equation in...

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

This online video lecture series gives an introduction to linguistics.

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

This lecture series focuses on the "emerging field" of "Quantum Geometry". Here, the expertise of both mathematicians and physicists are brought together in order to make...

This online lecture series gives an introduction to blockchain technology and its potential use in the world of money and finance.

This series of online courses explains the role of testing in web development. Participants will build a testing suite for a full-stack web application.

In this online course, Dan Brown teaches writing thrillers. The course includes more than 15 video lessons and various supplemental materials.

In this online course, Reba McEntire teaches the art of making country music. The course includes more than 20 video lessons and various supplemental materials.

This online video lecture provides a historical study of the origins of Christianity by analyzing the literature of the earliest Christian movements in historical context,...

This online lecture explores the basics of digital circuits.

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