How to Discover Other Dimensions of the Universe

The idea that the other forces, like magnetism and the strong and the weak forces, only act in the three dimensions that we know. Or theyre more focus in our regular dimensions, and ther ere not ing in the other dimensions,. Like gravity is, exactly. And so that would be super awesome, because it would let us discover other dimensions of the universe - but also solve this really deep mystery about why gravity seems so different from the other forces.