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).
More than 60 % of the total heat loss of buildings takes place through windows. Technology to significantly improve window insulation properties while reducing price and the carbon footprint associated with production and use will have major impact.
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