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Quanta of energy have to do with the wavelengths of light emitted from, say, an electron jumping to a lower energy level. That is what is quantized, and it comes from the boundary conditions of the energy levels themselves. I was making a comment about how many people have speculated that quantization extends to space-time itself, that we move through the universe in a quantized way; that is what a discontinuous universe would look like. This new research suggests that there aren't boundary constraints on space-time, apparently.