![What do string theorists mean when they say extra dimensions are 'rolled up tightly'? Can someone explain this a bit more rigorously, and justify the necessity for their 'rolled up' nature? - What do string theorists mean when they say extra dimensions are 'rolled up tightly'? Can someone explain this a bit more rigorously, and justify the necessity for their 'rolled up' nature? -](https://qph.cf2.quoracdn.net/main-qimg-f8cd59c3b8504bdaab0977ee2704ce0e.webp)
What do string theorists mean when they say extra dimensions are 'rolled up tightly'? Can someone explain this a bit more rigorously, and justify the necessity for their 'rolled up' nature? -
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Structure of extra dimensions in String theory in physics. 3D rendered illustration Stock Photo - Alamy
![Extra Dimensions of Space-Time String theory suffers conformal anomaly that makes theory inconsistent --> get rid of it Conformal anomaly ~ (D-26) for. - ppt download Extra Dimensions of Space-Time String theory suffers conformal anomaly that makes theory inconsistent --> get rid of it Conformal anomaly ~ (D-26) for. - ppt download](https://images.slideplayer.com/11/3310318/slides/slide_2.jpg)