Replacing a light bulb used to be simple. But now that old models of incandescent bulbs have been phased out, we’re swamped with choices. How do we know whether to buy an LED, CFL, or halogen ...

Households can reduce their energy bills and cut their contribution to greenhouse gas emissions by switching to more efficient lighting, but what’s the best strategy to maximize savings in cost, ...

One day, it seems that there are many surprisingly many people who encountered the case that the light bulb is burning out just when it is about to take a bath, and there is no light bulb for the ...

Researchers are developing new technology that could replace the household light-bulb within three years. Light Emitting Diodes (LEDs), already used in electrical equipment such as computers and ...