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Showing results for tags 'string theory'.
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Which theory do you think is likely to be the theory of quantum gravity? Why? I'd love to see some discussion on this topic.
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http://www.scientificamerican.com/article/is-string-theory-science/ This particular article uses string theory as an example of great chasm can grow between experimental and theoretical phyicist, calling in scienc philosophers to modulate. The problem with theorectical physics is observations set boundaries, that either have to be obeyed or observationally explained. Once niether of these can be done tolerances in application can result in a variety of possibilites, as has been suggested by multiverse opponents, there could be universe with laws different from our own. Occamic reasoning applies to limit unneccesary complexity in theories, and only observations can ultimately found a basis for more complexity.
