Professor Leonard Susskind is one of the best physics teachers. His series of lectures on the General theory of relativity has inspired many young minds and it is the best source of learning general relativity. In this video, I have summarized his first lecture at Stanford University and have introduced better visuals, animations, graphs, and have explained the key concepts in a clear and concise manner. His lectures are the best in terms of explaining the concepts and using the best mathematical explanations. I have made this lecture using better visual aids and explained the key concepts in a much shorter duration.

## The Topics Covered

(1) Newton’s concept of gravity

(2) Special features of gravity

(3) Galilean gravity

(4) The leaning tower of Pisa experiment

(5) Motion of a body is independent of its mass

(6) What is a gravitational field

(7) Force on a particle

(8) What is divergence

(9) What is a vector field

(10) Gauss’ theorem

(11) Using Gauss’ theorem in gravity

(12) Gravitational field of a point mass

## Explanation

Explaining the concept of divergence, Prof. Susskind uses the analogy of a lake which I have tried to explain using visuals and animation.

Note: This video has no intention to infringe the lectures or violate any terms and conditions. The basic idea is to give the viewers a clear, better, and easy understanding of the lecture.

Shounak Bhattacharya is a researcher as well as a teacher in the area of

**Tensor analysis,****General theory of relativity,****Differentiable geometry and****Introductory topology**.

Shounak has been researching and educating the global crowd in the area of building career opportunities through teaching, researching and communicating. Working with Asian College of Teachers, his main focus has been **increasing employability** factor among the young students. The path leads to many factors including teaching, researching, communicating as well as creating a unique model which would employ the right person for the right job.

Relentlessly working in **simplifying difficult mathematical concepts**, Shounak’s interest revolves around Einstein’s general theory of relativity and creating structures, models, videos to educate the mass. He has been in touch with Prof. Lohiya, former student of Dr. Stephen Hawking and has conducted interviews regarding the experience working with Stephen Hawking.

He has held numerous live interviews with researchers, educators, teachers and dignitaries around the globe primarily,

- Thailand,
- Malaysia,
- Japan,
- United Kingdom,
- Australia and
- Vietnam

He is a **professional translator of the Arabic language**, certified from RMIC. He is currently into Persian-Urdu translation of literary texts and creating videos on complex mathematical concepts.

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