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nanofoam

n. A nanoscale foam

Wikipedia
Nanofoam

Nanofoams are a class of nanostructured, porous materials ( foams) containing a significant population of pores with diameters less than 100 nm. Aerogels are one example of nanofoam.

Usage examples of "nanofoam".

The only technical detail I know is that the device is a crystalline nanofoam matrix with links to my brain.