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Back to Understanding Modern Physics I: Relativity and Cosmology

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

4.6
stars
168 ratings

About the Course

Course Overview: https://youtu.be/xyF-MmGNxd0 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

DP

Apr 17, 2022

It was a great experience,it was my first online course its help me in understandin physics principle in more details and help in my degree course

OB

Feb 20, 2023

Very interactive. The quizzes and assignments make you reflect and think deepera bout the material.

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26 - 48 of 48 Reviews for Understanding Modern Physics I: Relativity and Cosmology

By Yue H L

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Sep 24, 2021

A very interesting course.

By Clara R

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Feb 17, 2024

Very interesting course!

By Hayden C

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Apr 27, 2023

very clearly explained

By immdb i

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Jan 28, 2024

Woooow , Excellent

By ELMER M P

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Sep 12, 2022

thank you

By Bhaktaraj T

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Jan 16, 2022

excellent

By Ka L N

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Oct 19, 2021

Intriguing

By Massimo P

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Jan 1, 2024

Very good

By Ahmed F

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Jun 30, 2023

thank you

By Shokyui H

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Aug 30, 2022

great

By vijay l

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Jul 12, 2022

4.5

By Rania D

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Dec 8, 2023

.

By Vedant D

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May 31, 2025

course is great and quality of material is also good, yi wang - great professor, but i found it a bit difficult to get through his examples but that was my individual experience else, its good...

By Lars E

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Nov 6, 2024

Gives a comprehensive overview of physics in a very short time. Very interesting and relevant. The ratio of time/content makes the course sometimes difficult to understand.

By Siddhant J

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Sep 23, 2022

It's an excellent introduction to the topics mentioned. The Special Relativity part is explained pretty well.

By Shahab A

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Aug 19, 2023

everything you need to know about modern physics. start here

By Inam B

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Mar 5, 2023

Great Experience...

By Harshal

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Jun 21, 2025

informative

By Xin

•

Nov 11, 2025

能幫我們理解現代物理

By Osama E

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Mar 16, 2023

good work

By Jessica T

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Jan 11, 2025

Not a beginner course - by far the most complex 'beginner' course I have taken in Physics. I would recommend changing the difficulty to advanced if you are not going to explain the maths in greater detail.

By W.M. A S

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Nov 18, 2025

Instructor was difficult to understand, I am very used to communicating with ESL personnel.

By Isidora E L

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Mar 15, 2025

Demasiadas formulas y explicaciones confusas