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Garth, on the topic of other dimensions, suppose i live in a two dimensional plane in a three dimensional system. I am able to move in four directions within this plane of mine. I can't experience the third dimension so i don't have proof that it exists. Suppose my plane is parallel to the x and y-axis and that it intercepts the z-axis at z=10. I can move around the plane but my z-coordinate is always the same. Consider a particle in this 3D system with coordinate Z=11. This particle is outside my plane, my "universe", so i can't interact with it. However, suppose this same particle is moving so that it intersects my plane. Then, i might be hanging around in my plane and all of the sudden this particle would pop-in and pop-out of existence. I would be able to detect it once its z-coordinate reached z=10, but only for a very short period of time.
Suppose i live in a 3-dimensional cube (or maybe any 3D-body), and that this cube is parallel to the x, y and z axis, and intersects the w-axis (a fourth dimension) at w=10. I can move around in my cube but my w-coordinate never changes. Suppose there's a particle with w-coordinate w=11. This particle is outside my cube so i can't interact with it. Suppose this particle is moving along the w-axis so that it intersects my cube. This particle will intersect my cube at w=10 but be outside it immediatly at w=9. Then, i might be hanging around in my cube and all of the sudden this particle would pop-in and pop-out of existence. If there's more than 3 dimensions how come we don't see particles popping into existence at a point x,y,z and then immediatly vanishing?
Suppose i live in a 3-dimensional cube (or maybe any 3D-body), and that this cube is parallel to the x, y and z axis, and intersects the w-axis (a fourth dimension) at w=10. I can move around in my cube but my w-coordinate never changes. Suppose there's a particle with w-coordinate w=11. This particle is outside my cube so i can't interact with it. Suppose this particle is moving along the w-axis so that it intersects my cube. This particle will intersect my cube at w=10 but be outside it immediatly at w=9. Then, i might be hanging around in my cube and all of the sudden this particle would pop-in and pop-out of existence. If there's more than 3 dimensions how come we don't see particles popping into existence at a point x,y,z and then immediatly vanishing?