past the pale glow of their black-and-white televisions, “the warm bulbs burning in kitchens, like fires at the backs of caves.” Incandescent lighting, however, is inefficient: It literally ...

Compared to incandescent lightbulbs ... a whiter white. This was the first method of developing a white LED, and while the LED light bulbs you pick up at the hardware store don’t have individual ...

If you use incandescent bulbs for lamps and fixtures at home, you may already be familiar with soft and warm white lighting. Although they're close together on the Kelvin scale and emit yellow ...