DSK wrote:

Nav wrote:

Hah! If the earth was not curved height would not be the primary
determinant of geographic range. You've still ignored the question of
color which has a very large effect.


You are free to explain at length, if you wish. Or, if you don't like it
here, you're free to go away. Your call.


You didn't know that for equal luminosity that red lights are less
visible than green?

Chees