There is an acclaimed researcher by the name of Corvin Zahn who trusts that making a wormhole might be a method for accomplishing a type of time travel. Zahn feels that “In order to curve spacetime in such a way that wormholes form, an exotic type of matter is required with negative energy density. This energy density would have to be up to a billion times the density of a neutron star. Such a matter is not known in our universe.” (“Flight Through the Wormhole”, spacetimetravel.org) Although it appears to be a long shot, it doesn’t disrupt the principal norm that nothing is quicker than the speed of light. In this way, taking into account that, it appears to be substantially more conceivable than the hypothesis that expects one to go as quick or quicker than the speed of light.
Brian Green, a string scholar, clarifies what the structure of string-hypothesis looks like and how it is thought to function. He says that “the ultra-microscopic landscape is built up of a huge number of these little tiny filaments of vibrating energy, vibrating in different frequencies. The different frequencies produce different particles. The different particles are responsible for the world around us.” (“Making Sense of String Theory”, ted.com) This is the manner by which he depicts the structure of string hypothesis: it is a scene brimming with fibers “strings” of vibrating vitality. Furthermore, without these fibers and they’re vibrating in various frequencies, the universe would not exist. One thing that has been disregarded is the verification of string hypothesis. Furthermore, Green tends to this; he expresses that, “On the off chance that we see that sort of molecule (the one that is being tried on) shot out by seeing that there’s less vitality in our measurement than when we started, this will demonstrate that the additional measurements are genuine”. (“Comprehending String Theory”) This is useful for string hypothesis. Any sort of verification for logical hypotheses is a major jump forward toward higher learning.