Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
Much greater efficiencies of coal-fired power plants can be achieved by raising steam turbine temperatures and employing innovative combustion processes. Scientists are developing anti-corrosion coatings to facilitate implementation and fewer emissions.