from the making-it-better dept.
sciencehabit writes: Thomas Edison would be pleased. Researchers have come up with a way to dramatically improve the efficiency of his signature invention, the incandescent light bulb. The approach uses nanoengineered mirrors to recycle much of the heat produced by the filament and convert it into additional visible light. The new-age incandescents are still far from a commercial product, but their efficiency is already nearly as good as commercial LED bulbs, while still maintaining a warm old-fashioned glow.
You know, Callahan's is a peaceable bar, but if you ask that dog what his
favorite formatter is, and he says "roff! roff!", well, I'll just have to...