= April 8 = == Illumination in lumen additive or parallel? == If various LED light emitters is fitted within the same `bulb`. Will their light intensity add up as in total_lumen = lumen_1 + lumen_n + lumen_n+1.. Or will a light source made up of many parallel light emitters never be equal to a single (incandescent) light source of x lumen? That .....