Content pfp
Content
@
0 reply
0 recast
0 reaction

Mina pfp
Mina
@phmikh
It is a prefix used to describe "one billionth" of something. A nanometre (nm) is a billionth of a metre, or a millionth of a millimetre. 1 nanometre is about 8 times the radius of an atom and 100 times smaller than a bacterial cell.
0 reply
0 recast
5 reactions