Higher
Dimensions
Mathematician
Theodor Kaluza, had an approach for unifying the two forces, gravity and
electromagnetism. The universe does not have three space dimensions. Instead,
that the universe has four space dimensions so that, together with time,
it has a total of five space-time dimensions.
The
three space dimensions
in which one can move as left/right, back/forth, and up/down. In the universe
with three space dimensions, any motion you undertake is some combination
of motion along these three directions. Now, one also needs a fourth time.
Space-time became four-dimensional.
That there is another direction in which things can move, and therefore that we need to give four pieces of information to specify a precise location in space, and a total of five bits of information if we also specify- a time. The general theory of relativity mathematically added to the universe one more space dimension. Higher-dimensional version of general relativity included original gravity equations.
