On Sat, 22 Jan 2000 hal@finney.org wrote:
> Edd111@aol.com writes:
> > Point of reference: How many atoms wide is the head of a pin?
>
> Atoms are about .1 to .2 nanometers, so a million of them are about .1
> millimeters. The head of a pin is about a millimeter, so it should be
> about 5-10 million atoms across.
>
> Hal
>
Hal is talking about Carbon or Helium atoms. I was taking the question
fairly literally and assuming iron atoms which are a bit larger.
R.
This archive was generated by hypermail 2b29 : Thu Jul 27 2000 - 14:02:32 MDT