Time, what is time? *****
There is time, let us ponder time. There is a future we don’t know but into which we are heading by every moment, every second if you please. A second is a crystal vibrating 358325673286789267 times during 1 second. It’s defined that way because a (perhaps drunken)...
check out the Teaching Company (TTC) courses, theyre videos but great collage teachers just teaching what they know. half the time i don't even listen, but i pick up the interesting things from all subjects between galaxies and atoms.
I download them from TPB.