> can it build me an interstellar space ship (FTL would be nice!) or not? Only the "illusions" that obey the laws of physics are allowed. The laws of physics a

> can it build me an interstellar space ship (FTL would be nice!) or not? Only the "illusions" that obey the laws of physics are allowed. The laws of physics are the only "real" thing; positions and speeds of specific objects are not. So if the laws of physics happen to forbid FTL travel, we will not get such spaceship.