div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=nist-center-for-neutron-research-nist-lights-light-emitting-diodes-leds-arehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: NIST Center for Neutron Research NIST · lights Light emitting diodes LEDs are known to be more efficient than incandescent bulbs and they dont contain mercury vapour like loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220626055fd154d8099c8a6126675508html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=nist-center-for-neutron-research-nist-lights-light-emitting-diodes-leds-arehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: NIST Center for Neutron Research NIST · lights Light emitting diodes LEDs are known to be more efficient than incandescent bulbs and they dont contain mercury vapour like loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220626055fd154d8099c8a6126675508html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=nist-center-for-neutron-research-nist-lights-light-emitting-diodes-leds-arehtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: NIST Center for Neutron Research NIST · lights Light emitting diodes LEDs are known to be more efficient than incandescent bulbs and they dont contain mercury vapour like loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220626055fd154d8099c8a6126675508html5thumbnails3jpg width=140 height=200 divdiv