To be "white" is one required to include all wavelengths of light from  
infrared to ultraviolet ?  I am not sure what that means.
Or does one just hit the high points of the cone cells ?
Gus


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist