#2217 - Brian Cox

9936.403 - 9959.484 Brian Cox

But because Einstein's theory allowed you to imagine such a thing, even though you might not be able to build it, it's not been proven beyond doubt that you can't somehow make these kinds of quantum fields or whatever it is that you need to make wormholes, for example, stable wormholes you can go through. And so it's not been proven. So it's just it's suspected that that's going to be the case.