Last night, I glanced one TV - program, walking through living room to bath room.
That program showed Prof. Lisa Randall and her 5 dimension theory.
So, I wonder that expression is useful.
I feel that her expression prepares 5 dimension for a priori.
then, I have a question. We, in 3 dimension, have 3 direction and time.
thus, in higher dimension time changes into another direction? or, 3 direction and another direction which is unknown and there are time?
Because Time is indispensable for changes. So, time goes through every dimension?
Well, I feel the beauty in Einstein's E = mc2
and in her expression , I don't find yet.
Lisa Randall : Harvard Physics Depertment Faculty