NEWS: LED Chameleon on the Lightfest 2015 in Birmingham Create all the colours visible to the human eye through adjusting three LEDs... read more |
NEWS: SPIE People’s Choice winning photo Photo by Indonesian photographer shows challenge of seeking education in regions without electricity... read more |
NEWS: Nobel prize in physics for blue LEDs This year’s Nobel Laureates are rewarded for having invented a new energy-efficient and environment-friendly light source – the blue light-emitting diode (LED). read more |
NEWS: International Year of Light postage stamps Post of Serbia within category Commemorative postage stamps issued two stamps to mark the International Year of Light which is celebrated throughout year 2015 worldwide... read more |