May I say that so little is known about the dimension of time and space that what Dr Greene said is as basic as it can get. I certainly understand his theory but I doubt that it will be done that way. Einstein believed that all time exists all the time. Thus the future already exists? What happens to non determinism then? If the E 8 lattice is the basic construct and this reality is a projection then perhaps traveling dimensionally may be the answer. I don't have the answer but neither does anyone else at the moment.
Hi Ned
You raise a valid point, Yes there are some mysteries regarding how Time actually functions, for starters we don't even know the properties or charateristics that time is made. For example water is made of molecules which is atoms bonded together. Yet nothing is known of what is time actually made of. Perhaps it is just an illusion. without us being alive to experience time. what is time actually? it is just present constant present. who knows if time is going backwards or fowards. there remains the saying "Be in the NOW"