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String theory, another pipe dream?

 
 
Reply Thu 4 Oct, 2012 01:10 pm
Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory.
http://www.pbs.org/wgbh/nova/physics/elegant-universe.html

What's the difference between theory and science fiction? Both are flights of fancy
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Type: Discussion • Score: 2 • Views: 2,049 • Replies: 10
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dalehileman
 
  1  
Reply Thu 4 Oct, 2012 02:02 pm
@Rickoshay75,
Rick that's really a good question
0 Replies
 
daphdevisser
 
  1  
Reply Sun 14 Oct, 2012 10:54 am
@Rickoshay75,
A theory demands empirical support rather than fancy
dalehileman
 
  1  
Reply Sun 14 Oct, 2012 12:43 pm
@daphdevisser,
Quote:
A theory demands empirical support rather than fancy
Disagree, Daph. Intuition is capable of massive feats without direct scientific support

It's widely acknowledged that Einstein's theory of Relativity rested largely on such intuitions
Rickoshay75
 
  1  
Reply Thu 18 Oct, 2012 01:32 pm
@dalehileman,
dalehileman wrote:

Quote:
A theory demands empirical support rather than fancy
Disagree, Daph. Intuition is capable of massive feats without direct scientific support

It's widely acknowledged that Einstein's theory of Relativity rested largely on such intuitions


Since everything has always been relative to everything else, Einstein's theory was more like a wake-up call, and he never really proved his light bending theory.
dalehileman
 
  1  
Reply Thu 18 Oct, 2012 03:17 pm
@Rickoshay75,
Quote:
Einstein's theory was more like a wake-up call
Still Rick consensus has it that he started with mere intuitions
Rickoshay75
 
  1  
Reply Mon 19 Nov, 2012 04:27 pm
@dalehileman,
dalehileman wrote:

Quote:
Einstein's theory was more like a wake-up call
Still Rick consensus has it that he started with mere intuitions


Since there was no way to test Einstein's theories at the time, still isn't, he could only use his intuitions, like the rest of us.
dalehileman
 
  1  
Reply Mon 19 Nov, 2012 06:00 pm
@Rickoshay75,
Quote:
he could only use his intuitions,
….making them nonetheless valuable. Incidentally some of his conclusions were later verified
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Lustig Andrei
 
  1  
Reply Mon 19 Nov, 2012 06:16 pm
I think the point is that string theory is as valid as any other theory that's basically untestable.
dalehileman
 
  1  
Reply Mon 19 Nov, 2012 06:17 pm
@Lustig Andrei,
Yes Andy I think you're right but I was merely defending intuition

…while relativity is testable in many of its assertions
0 Replies
 
Rickoshay75
 
  1  
Reply Wed 21 Nov, 2012 02:46 pm
@daphdevisser,
daphdevisser wrote:

A theory demands empirical support rather than fancy


You take your empirical support, I'll take independent demonstration.

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Fate leads him who follows it, drags him who resist. Plutarch
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