Thank you all of you
Sorry about the Unconvenience
By the way, you talked about the chat room in every sunday, I heard about it but can't find it whether you give the specify link,please
My name is Đăng and I come from Vietnam and I have some ideas. In my country, people always caring about money and considering physics like rubish, I can't find a friend to study and talk about it so with my emphasis on physics, I want to make friend with everyone who love physics, be a...