On Nobel Prize in Physics

Comparison of different light-bulbs
Energy Efficiency of Light Bulbs Incandescent CFL LED ■ 10% Light ■ 40% Light ■ 80% Light _) 90% Heat _J 60% Heat _J 20% Heat HISTORY OF THE LIGHT BULB (i'' g 1879 1930's Today,bulb,informative,nobel
How it would effect us
functionspace.org IF AN AVERAGE OF JUST 40% LIGHTING INSTALLATIONS WERE REPLACED RY LEDS ACROSS THE WORLD, IT WOULD SAVE... H US $40-50 BILLION six US $80 BILLION $129 BILLION IN ELECTRICITY COST, THE TOTAL GLOBAL WIND AND PHOTOVOLTAIC MARKETS COMBINED + jg^j jj^g AND REDUCE 670 MILLION