Pat Naughtin wrote:
>
> Dear Jim and All,
>
> I think that the word 'power' has more problems other than those that you
> refer to in physics.
Even in physics I see this misused. Our current undergraduate textbook
(the algebra, non-majors course) speaks of the "power of lenses" (= 1
/f) in diopters (= m^-1). More careful authors speak of this as the
"strength of lenses", since "strength" is already an ambiguous term.
Jim
--
Metric Methods(SM) "Don't be late to metricate!"
James R. Frysinger, CAMS http://www.metricmethods.com/
10 Captiva Row e-mail: [EMAIL PROTECTED]
Charleston, SC 29407 phone/FAX: 843.225.6789
