A light bulb is a device that produces light when powered by electricity. It's one of the most important inventions in history. Light bulbs help us see in the dark, work at night, and live more ...

Matt Prescott argues that phasing out incandescent light bulbs using financial incentives or even banning them outright would be a good idea. What do you think? The following comments reflect the ...

US researchers say they have developed a technique that can significantly improve the efficiency of the traditional incandescent light bulb. These older bulbs have been phased out in many countries ...

Sir Konstantin Novoselov showed Chancellor George Osborne the bulb when he opened the institute A light bulb made with graphene - said by its UK developers to be the first commercially viable consumer ...