Linked Questions

10
votes
5answers
4k views

What differs string theory from philosophy or religion? [duplicate]

Possible Duplicate: What experiment would disprove string theory? A hypothesis without hard evidence sounds very much like philosophy or religion to me. All of them tries to establish a ...
1
vote
2answers
865 views

Does string theory provide quantitative experimental predictions? [duplicate]

Possible Duplicate: What experiment would disprove string theory? We carefully observe things, observe patterns and then build theories that predict. String theory is frequently criticized for ...
0
votes
0answers
154 views

Has string theory predicted any experimently verified results? [duplicate]

I'm just getting into string theory and I'm wondering if it has made any unique predictions that have been verified by experiment?
0
votes
0answers
45 views

Are there any practical implications of string theory? [duplicate]

In my understanding, Strings theory tries to establish a functional model explaining how the world works. What are some practical applications of string theory? Would a solution to one of the ...
0
votes
0answers
25 views

Will string theory ever be provable? [duplicate]

Some time ago I saw a documentary in which they said that to have the experimental certainty of the existence of a string we would need a particle accelerator with the same diameter of the milky way. ...
24
votes
9answers
10k views

Why are extra dimensions necessary?

Some theories have more than 4 dimensions of spacetime. But we only observe 4 spacetime dimensions in the real world, cf. e.g. this Phys.SE post. Why are the theories (e.g. string theory) that ...
31
votes
3answers
30k views

What is the current status of string theory (2013)?

I've seen a bunch of articles talking about how new findings from the LHC seem to disprove (super)string theory and/or supersymmetry, or at least force physicists to reformulate them and change ...
15
votes
7answers
4k views

What reasons are there to suspect string theory may be an incorrect theory?

It's a truism that in science it is at least as important to state the reasons why a theory or idea might be wrong, as to state the reasons why it is might be correct. For example, early ...
24
votes
2answers
4k views

What evidence exists for string theory viability?

I know that string theory is still under heavy development, and as such it still can't make predictions (or not that many predictions anyways). On the other hand, it is clear from the number of years ...
5
votes
5answers
1k views

Regarding string theory: how to refute the argument “if it cannot be tested experimentally then it is not science”? [duplicate]

Possible Duplicate: What differs string theory from philosophy or religion? I find a lot of people disbelieve in string theory, saying that since it cannot be tested experimentally then it is not ...
4
votes
3answers
1k views

Are quantum mechanics and general relativity predictions of string theory, or were they built into the theory from the start?

Are quantum mechanics and general relativity predictions of string theory, or were they built into the theory from the start? If the former, why aren't tests of GR and QM considered simultaneous tests ...
7
votes
2answers
8k views

What experiment would prove string theory?

The conceptual model of multidimensional vibrating strings provides an incredibly rich and diverse "language" that almost certainly is encompassing all of known physics as a singular point somewhere ...
12
votes
1answer
1k views

Is String Theory proven to be finite?

I read Lee Smolin's book "The trouble with physics" and the book says that the finiteness of string theory ( or string pertubative theory) is by no means a proven mathematical fact, despite that the ...
2
votes
1answer
425 views

Would string theory change everything? [closed]

Whilst I don't know anything except the definition of String theory and I'm a beginner, I'm curious about it. What I would like to know is: does string theory change a lot in Physics? If it's not ...
1
vote
1answer
488 views

Is string theory really science? [closed]

According to Karl Popper's theory of demarcation, science should be falsifiable but string theory is yet to be tested experimentally as It will require at least 19 TeV of energy to prove it which is ...

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