Hyperspace
Commonly mistaken for a separate dimension of its own, Hyperspace is simply the part of our own space-time continuum where tachyonic matter exists. In a way, it is a way of looking at the common four dimensions of our space-time from the vantage point of a tachyon. Relativistic thought applies to hyperspace just as well as regular space: to an observer in hyperspace, it is the Universe that appears to be moving faster than light all around him instead of the observer himself.
Hyperspace can only be reached by breaching the tachyon boundary using a Hyperspace engine, also known as a "hyperdrive". Traveling in hyperspace can be dangerous, as objects in our universe, or realspace, produce mass shadows. Any ship striking a mass shadow in hyperspace is instantly destroyed. Starships have navigational nav computers (also nicknamed navicomputers) to calculate safe travel routes through hyperspace, taking the ship around stars, planets, stray asteroids, and other stellar hazards. Once a ship has entered hyperspace, it cannot change course.
Some scientists theorize that there are waves travelling through hyperspace in addition to the normal gravitiational pulls from realspace. Hundreds of ripples and waves pass through hyperspace at differing velocities. Careful study of travel records reveals that while there are slight variations over a long period of time, it takes eons for a major change in flight time to occur.
Helpful tips
According to Ouat Kele, a known Hemmoian pioneer of interdimensional travel, "it helps to keep your head embedded on the wall. This prevents it from floating around freely when you reach hyperspace."
