What prevents densities higher than the so-called Planck Limit from happening?

This density is computed by dividing the Planck Mass by the Planck Volume. The result is a combination of pure physical constants...c...G...h.

The numerology of this quantum domain has it that no higher densities are possible because there is no way to create such densities without them becoming black holes. The truth is that no one really knows anything about these conditions in any pragmatic way.

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