This site can take as little or as much of your time as you are willing to give to 
understand time. For the quick tour, click on the links on the right for short videos, but there are many links that dive into far more detail after each animation is completed. http://www.phys.unsw.edu.au/einsteinlight/
Technorati tags: Einstein theory relativity time space
A Day in the Life of a Presson... 
Hi! I was surfing and found your blog post… nice! I love your blog. 🙂 Cheers! Sandra. R.
Fascination! Wish I had more time to explore.
Dad