If we knew how to create world simulation, and how to make it working 4D, then humans would be able to plug themselves in, and experience 4D space. Alternatively there could simulated 4D beings, whose sentience could be transferred to robot body in our real 3D space.
6 points
*
According to some physics theories, we’re living in a world with at least 11 dimensions.
But we can only sense and understand 3.
9 points