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This online video lecture series gives an introduction to Natural Language Understanding as a sub-problem of artificial intelligence.

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

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...

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

This online lecture includes the energy levels, the statistical behavior and internal energy, energy transport in the forms of waves and particles, scattering and heat...

These short online courses provided by Skillshare cover various topics around photography, including digital photography, DSLR, portrait photography, composition, retouching,...

This online lecture aims to provide an understanding of radar systems concepts and technologies to military officers and civilians involved in radar systems development,...

This online lecture explores Science Fiction as a genre.

This online video lecture series gives an introduction to optoelectronics.

This online lecture takes a broad-based look at poker theory and applications of poker analytics to investment management and trading.

This online course introduces learners to the Flutter framework with interactive lessons on basic app components.

This online lecture examines the choices and constraints regarding sources and uses of energy by households, firms, and governments through a number of frameworks to describe...

These short online courses provided by Skillshare cover various topics around creative writing, including creative fiction and non-fiction, screenwriting, ebooks, editorial...

This online course teaches basic computing principles and foundational knowledge of the Internet and World Wide Web for absolute beginners.

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

This online video lecture series gives an introduction to the way computers are build and designed.

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,...

The 16 lectures in this course cover the topics of adaptive antennas and phased arrays.

This online lecture series gives an introduction to international relations. It includes theoretical foundations (such as realism, liberalism, marxism and constructivism) as...

This online lecture is particularly recommended for persons who are interested in starting or are involved in a new business or venture.