Most people would find the picture of our universe as an infinite tower of tortoises rather ridiculous, but why do we think we know better? What do we know about the universe, and how do we know it? Where did the universe come from, and where is it going? Did the universe have a beginning, and if so, what happened before then? What is the nature of time? Will it ever come to an end? Can we go back in time? Recent breakthroughs in physics, made possible in part by fantastic new technologies, suggest answers to some of these longstanding questions. Someday these answers may seem as obvious to us as the earth orbiting the sun – or perhaps as ridiculous as a tower of tortoises. Only time (whatever that may be) will tell...
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tencherry10: Interesting Read  
Thank you!
marty_hale: No probs. If you like it you should try getting your hands on 'The Elegant Universe' by Brian Greene, which is a little easier to understand and focuses on string theory in particular. I find that at points in ABHOT hawking leaves the subject at hand on a tangent!
deathburger: Or an event horizon.  
 
(sorry, it's like 2:30 am..)
deathburger: But then again time is relative, right?  
 
I'll stop now.
marty_hale: Indeed. I just finished work at 08:15 local time and am writing a reply three hours late, to someone in another time zone. Don't you ever sleep DB?
DirtyJ: bwhahahahahaha  
 
what happens if you tie the string in a knot?  
deathburger: Sleep is for the wea...zzzzzzzzzzzzzz  
 
;)