The 3D universe is at right angles to the 4th dimension

The universe is the hypersurface of the 4th dimension. Space-time is
the hypersphere surface. The hypersphere is in continual expansion.

Mitch Raemsch Twice Nobel Laureate 2008

On Apr 1, 6:12*pm, [Only registered users see links. ] wrote:

The universe and the 4th spatial dimension are at right angles to each
other.

Mitch Raemsch Twice Nobel Laureate 2008

I said that 45 years ago.

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On Apr 1, 6:12 pm, [Only registered users see links. ] wrote:

The universe and the 4th spatial dimension are at right angles to each
other.

Mitch Raemsch Twice Nobel Laureate 2008

On Apr 2, 12:12*pm, [Only registered users see links. ] wrote:

It's technically an imaginary right-angle.

On Apr 2, 8:16 am, [Only registered users see links. ] wrote:

True, it is a right angle only when drawn on a 2D paper. The spacetime
is not necessarily Euclidean, but we seem to keep imposing a Euclidean
character on it.

On Apr 1, 10:12 pm, [Only registered users see links. ] wrote:

It's not absolutely necessary that it be at a right angle. Only that
their relative orientation is at a non-trivial angle.

On Apr 2, 5:16*am, [Only registered users see links. ] wrote:

There are no roots of negative involved.

Mitch Raemsch Twice Nobel Laureate 2008