It is the method and process of the subtle matter (or the prior stage of matter) to transform itself into gross matter.
Once we get to trying gross matter, we can simply slap an electrostatic charge on it.
The Newtonian scheme of dynamics has been shown to be an approximation valid only for gross matter and our gross senses.
His magical body is composed of matter too tenuous to affect directly the gross matter of which illusions such as tables and chairs are made.
The Hindus saw subtle forces and proceeding energies crystallizing or condensing into gross matter.
His mutation was no gross matter, easily recognized, but was subtle and subliminal.
Above all in the long series of etchings in the sheets that are dated 1929, Matisse's prints are all air and light, with no gross matter spelled out.
Fragments of light were spilled into the universe, and gross matter was thus born.
It happened slowly, soundlessly, so that we all found ourselves caught in the morass of gross matter, where noxious vermin emerge by spontaneous generation.
I don't see how gross matter could be affected at all.