Is this an accurate representation?

In summary, the conversation discusses the accuracy of the dimensions of string theory, with one person pointing out that the video being referenced does not accurately depict them. The dimensions of string theory are ten (or possibly eleven), and they are all spacelike except for one timelike dimension. The video's portrayal of the dimensions as related to time, histories, and universes is not in line with the description of string theory.
  • #1
leftyguitarjo
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  • #2
Not at all... the dimensions of string theory (ST) are ten (or so) space dimensions. The video you point to departs from possible analogies with String Theory when it starts looking at time as the fourth dimension (the analogy is fine up to then, but it would need to make the point that, although time is useful for the explanation, in ST the new dimensions are not extensions of "time").

Then, its depiction of the higher dimensions as all possible histories and all possible universes is an interesting fabrication, but has nothing to do with the ST description of the way nature may work.
 
  • #3
ahrkron said:
Not at all... the dimensions of string theory (ST) are ten (or so) space dimensions.

If I'm not mistaken, aren't the dimensions of string theory 10 space-time dimensions? Unless you're referring to the 11dimensional M-theory.
 
  • #4
Either way, my point is that the video linked makes it look as if dimensions 4, 5, etc. have to do with time, histories, universes, and such, while ST refers to space-like dimensions (along which, as in regular special relativity, one can have Lorentz boosts that "mix" them with time,... but this is not the central point).
 
  • #5
In standard supersymmetric string theory all dimensions are spacelike, except for the one timelike dimension. Check out the PBS version of The Elegant Universe for clarification.
 

1. What factors contribute to an accurate representation?

Factors that contribute to an accurate representation can vary depending on the subject matter and context. Some general factors to consider may include the use of reliable and unbiased data, appropriate methods and techniques, and thorough analysis and interpretation of the data.

2. How can I determine if a representation is accurate?

To determine if a representation is accurate, one should evaluate the data and methods used to create the representation, compare it to other sources or data, and consider any potential biases or limitations. It may also be helpful to consult with experts in the field or conduct further research.

3. Are there different types of accuracy in representations?

Yes, there are different types of accuracy in representations. For example, there may be quantitative accuracy, which refers to the precision and correctness of numerical data, and qualitative accuracy, which relates to the overall portrayal or depiction of a concept or phenomenon.

4. Can a representation ever be completely accurate?

It can be difficult for a representation to be completely accurate, as there is always the potential for human error or bias. However, with careful consideration of data and methods, and continual evaluation and refinement, a representation can approach a high level of accuracy.

5. How can I address inaccuracies in a representation?

If inaccuracies are identified in a representation, it is important to first determine the source of the inaccuracy. This may involve revisiting data, methods, or assumptions. Once the source is identified, adjustments can be made to improve the accuracy of the representation.

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