What is Brane physics and how is related to string theory? Who or what is Brane? I know that it is extremely difficult to understand but it sounds very fascinating. How can I begin to understand more than a three dimensional world?
A string is one-dimensional. A 'brane is two dimensional. These are discussed quite thoroughly in Brian Greene’s book, The Elegant Universe, which I highly recommend.
“Brane and Brane! What is Brane?”
“My Brane Hurts!”
“Are you saying that I put an abnormal brane into a seven and a half foot long, fifty-four inch wide gorilla? Is that what you’re telling me?”
“It’s not rotten. It’s a good brane.”
“I, George Bush, President of the United States of America, do hereby proclaim the decade beginning January 1, 1990, as the Decade of the Brane. I call upon all public officials and the people of the United States to observe that decade with appropriate programs, ceremonies, and activities.”
“Purple haze, all in my brane, lately things don’t seem the same.”
“All right, brane, I don’t like you and you don’t like me - so let’s just do this and I’ll get back to killing you with beer.”