The missing word in the prior posts was distance. Rimmer > On Nov 6, 2015, at 7:50 PM, arnold140@verizon.net wrote: > > Rimmer: > > In simple terms as you move further away from a source of light or other form of energy it gets weaker based on a formula. > > "In physics, an inverse-square law is any physical law stating that a specified physical quantity or intensity is inversely proportional to the square of the distance from the source of that physical quantity." > > Arnold > > > On 11/06/15, Rimmer deVries wrote: > > What is this inverse-square law for light ? > > Rimmer > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/