Re: Inverse square law

["Emily L. Ferguson" <elf@xxxxxxxx>]

Whew, Hershel, you lost me there.  But I failed both physics and 
chemistry in college, and barely made it through algebra.

I just tell them that every giant step away you are from the thing 
the flash is supposed to reach, you lost half its light.
--
Emily L. Ferguson
mailto:elf@xxxxxxxx
508-563-6822
New England landscapes, wooden boats and races, press photography 
http://www.vsu.cape.com/~elf/