>  and 1000 angstroms is 1 millimeter.

An angstrom is 10E-10 meters, or 1/10 nanometer.  1000 angstroms therefore =
100 nanometers = .1 micrometers = .0001 millimeters.  The angstrom is an old
unit hanging around from nuclear physics.  Today the preferred units are the
nanometer and the femtometer.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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