The concept of folding space-time, often referred to as "wormholes," is a theoretical possibility in general relativity. According to the theory, wormholes could potentially connect distant parts of the universe by creating a shortcut through space-time. However, the practical realization of wormholes and their potential for faster-than-light (FTL) travel are still highly speculative and remain in the realm of science fiction.
In theory, if a traversable wormhole were to exist and could be stabilized, it could serve as a shortcut between two distant points in space. This shortcut would involve bending or warping space-time to create a bridge between the two locations. However, it is important to note that the concept of wormholes is purely hypothetical at this point, and there are significant challenges and limitations associated with their existence.
One major obstacle is the requirement of exotic matter with negative energy density to stabilize a wormhole. Such exotic matter has not been observed in nature, and its existence and properties are purely speculative. The energy requirements and stability issues associated with creating and maintaining a traversable wormhole are immense, making it currently beyond our technological capabilities and understanding.
Furthermore, even if a traversable wormhole were to exist, it does not necessarily imply FTL travel. The speed of light is still regarded as an absolute speed limit within the framework of special relativity. While a wormhole could potentially offer a shortcut between two distant points, the actual travel through the wormhole would still be subject to the limitations of the speed of light.
In summary, while the concept of folding space-time through wormholes is intriguing and has been explored in scientific literature, its practical realization and the possibility of FTL travel remain highly speculative and are currently unsupported by empirical evidence.