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Learner Reviews & Feedback for Understanding Modern Physics I: Relativity and Cosmology by The Hong Kong University of Science and Technology

66 ratings

About the Course

Course Overview: The 20th century was known as the century of physics. In the past 120 years, concepts such as space, time, energy, entropy and particles were understood to much deeper levels. New paradigms of thinking such as relativity and quantum mechanics emerged. This course is the first course in the Understanding Modern Physics series, which covers an introduction to special relativity, general relativity and cosmology. We will find: (i) How space and time are relative to observers, and unified into a more fundamental construction of spacetime; (ii) Why the spacetime is not absolute, but rather curves in response to matter, and how gravity emerge as a result of such spacetime curvature; and (iii) What is the framework to understand the evolution of the whole universe, and how that is related to problems such as the origin of space and matter, and the fate of our universe. Note: the videos with a (*) are optional. They provide complementary information but not in the learning objective or assignment questions. Feel free to choose to watch them or not....

Top reviews


Jun 13, 2022

This was a most interesting course. It clarified many points for me which I had picked up from previous readings..

The quality of the lectures was excellent.


Jan 13, 2022

Yi Wang does an excellent job of capturing the most important elements of the subject and demonstrating how they can be best understood. Well done!

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