Originally posted by Nemesio
…The Wikipedia article
For the less informed, what precisely is a nano-particle or nano-machine? The Wikipedia article
is a little vague.
is a little vague. ..…
-I am not suppressed -a “nano-anything” is generally something that is just a “few” nano-meters across. But how much is a “few”? -I mean, is it 1000nm or 500nm or what?
There is also the thorny problem of exactly what distinguishes a “nano-particle” that is not said to be a “machine” from a “nano-machine” -I mean, is it just to do with moving parts? -if so, can just moving electrons be considered to be “mechanical moving parts” in this context? -if so, that would make a single molecule of chlorophyll a “nano-machine”! -somehow I don’t think we would normally refer to a molecule of chlorophyll as a “machine“.
Perhaps a “nano-machine” is a thing that is just a “few” nm across and itself partly consists of at least one other particle that is itself just a “few” nm across and which is a “mechanical moving part” because it can bend/slide/rotate relative to the position of the rest of the structure -but that would make certain molecules in chemistry “nano-machines”!
For these reasons, I doubt very much that there is a truly non-arbitrary “scientific” definition to what defines a “nano-particle” or “nano-machine” -I am afraid this is not the answer you would want 😕