The LED light bulb is more than ten times the efficiency of regular incandescent lighting, so it can save the world hundreds… — Shuji Nakamura Copy Share Image
I predict that very shortly the old-fashioned incandescent lamp, having a filament heated to brightness by the passage of electric current through… — Nikola Tesla Copy Share Image
“When something glows from being heated, it emits light in all parts of the spectrum, but will always peak somewhere. For household… — Neil deGrasse Tyson Copy Share Image
“We're incandescent and it doesn't seem fair." "Fair?" "I mean too much comes to some of us, not enought to all the… — Hilda Doolittle Copy Share Image