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This online lecture discusses various aspects around internet security. After a brief introduction to the structure of the internet, problems such as hackers and viruses, the...

This is an online lecture about the design and implementation of secure computer systems. Lectures cover threat models, attacks that compromise security, and techniques for...

This series of lectures gives an introduction to the mechanics of spaceflight.

This online video lecture series explores various technology trends and fields of innovation.

This online course gives an introduction to core microeconomic issues in economic development, focusing on both key theoretical contributions and empirical applications to...

This online lecture discusses aspects of Decays in Quantum Field Theory.

This online lecture series covers the basic principles of Einstein's general theory of relativity, differential geometry, experimental tests of general relativity, black holes,...

This course attempts to explain the role and the importance of the financial system in the global economy. The course also gives a picture of the kind of thinking and analysis...

This is an online lecture taking a practical approach to proving problems can't be solved efficiently (in polynomial time and assuming standard complexity-theoretic assumptions...

This online course teaches the fundamental concepts of Blockchain and how to implement them in Python. Learners with prior Python experience will be able to build their own...

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...

This online lecture provides an introduction to mathematical modeling of computational problems.

This online lecture introduces students to the modeling, quantification, and analysis of uncertainty.

This online lecture explores the implications of extracting and using energy resources, metals and mineral resources.

This online course teaches the toolkit for mastering challenges in computational psychiatry. It covers a variety of mathematical models for studying learning, decision-making or...

This online video lecture series gives an introduction to political economy.

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

This course provides a selection of individual lessons and analyses from experts on the 2020 corona virus outbreak. It includes topics such as an epidemic overview, fatality...

This online lecture series explores the history of WWI.

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