Thread: New Additions to the Standard Model?

I was just finished watching an episode of NOVA about the Arrow Of Time and I wondered, "Are there measurable particles of time, space, spacetime?". If anyone has an answer or agreement (or disputing point) please, comment.

It is quite possible that beyond a certain scale limit space-time is no longer smooth, but becomes discreet; this is one of the routes along which current research is underway to find a unification between gravity and the other forces. Here is one such model :

Loop quantum gravity - Wikipedia, the free encyclopedia

Thank you very much. I've wondered for a while now what LQG is. I had no clue it was the same thing as what I've been pondering for quite a long time.