There's no (natural) law that prescribes that integers must be used, is it? Also, from what I understand that nanometer count is a bit symbolic, less literal.

There's no (natural) law that prescribes that integers must be used, is it? Also, from what I understand that nanometer count is a bit symbolic, less literal. EDIT: for instance IMEC talks about "sub 1nm" process, that is 0.7nm (https://www.tomshardware.com/news/imec-reveals-sub-1nm-transistor-roadmap-3d-stacked-cmos-20-plans https://www.tomshardware.com/news/imec-reveals-sub-1nm-trans...)