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Re:Physical reality of string theory demonstrated by tspiteri on Monday July 06, 2009 @11:14AM (#689771)
Explaining phenomena is only one step. What I think is more important for a theory to have legs, is the ability to make predictions using the theory.
Re:Physical reality of string theory demonstrated by jacquesm on Monday July 06, 2009 @11:20AM (#689778)
There is this:

http://en.wikipedia.org/wiki/AdS/CFT

But it goes way over my head.

Explaining existing phenomena better than any other theory that we currently have goes a long way though.

Re:Physical reality of string theory demonstrated by pbhjpbhj on Monday July 06, 2009 @02:59PM (#690230)
It's not a theory until it can make testable predictions.
Re:Physical reality of string theory demonstrated by gnaritas on Monday July 06, 2009 @10:16PM (#690792)
I wouldn't quite say that because it implies we must have the ability to test it. A better thing to say is that a theory must provide falsifiable predictions, even if we don't have the ability to actually test it today.