Norm will present. Check this sight tomorrow and, if I can find any relevent links, I’ll add them. But I know nothing about physics and I’m going to have a root canal tomorrow, so don’t hold your breath.
I predict that time will pass slowly during my dental procedure.
UPDATE: Whoa. Wish I found this earlier. Watch this 10-minute video of a guy explaining how people perceive time in different ways. There are SIX distinct ways we perceive time, he explains!