Thank you. I appreciate this opportunity to interact with you. Uh till 2 years ago I was at the Tatan Institute in Mumbai. Now I'm at the Defense Institute of Advanced Technology in Pune.Today I want to share some glimpses of the views I have I have had in several topics of physical world. Now as you know I'm a physicist. Much of my time is spent in trying to understand tangible physical world which involves light matter.Also in this physical world in fact half of this physical world consists of concepts an ...

When I was younger, I was a competitive archer. My dad was a builder and an engineer, and he helped coach me. And one of the things he always did in a very efficient engineering way was measure out the distance to the target by taking big steps. So, one big step for about a meter, and we would measure how many meters away the target was.So, 10 steps for 10 meters, 30 for 30, and so on and so forth. This was a really easy way to be able to measure distances. So, we weren't sitting in the backyard all day mea ...

[Music] [Music] [Applause] Hello everyone. My name is Jason. I'm 8 years old.I love space and I love chocolates. Today I will talk about space but maybe eat a chocolate later. Our galaxy is called the Milky Way and guess what.It has waves. These are called gravitational waves. But who makes them.Well, scientists say that when two black holes crash into each other, they make these waves. Wait a minute. What is a black hole.It's like a star, but it's not shining anymore. It's super strong and it pulls everyth ...