In one episode, Square visits one-dimensional (1D) Lineland and 0D Pointland. As a higher-dimensional being, he has the power to see into these worlds in ways that the inhabitants could not fathom.

Accordingly, in zero-dimensional (0D) nanomaterials all the dimensions are measured within the nanoscale (no dimensions are larger than 100 nm). Most commonly, 0D nanomaterials are nanoparticles. In ...