In the old days, not so long ago, people illuminated their homes and businesses with the luminosity of fire. The obvious hazards are evident: your house or business burning down, breathing toxic gases, soot, constant maintenance keeping the flame alive and getting burned. Either by candle, torch, oils or any number of luminescence sources to see in the dark; fire was the only source of light in the darkness. With the invention of the electric light bulb, a whole new medium of bringing light to the world where there was only darkness.    more »