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 ...

Electric light bulbs had been around for decades by the 1870s. Most demonstration systems used arc lamps, which seemed far too bright and burned much too hot for indoor household use. In 1878, Thomas ...

Home lighting solutions have evolved to the point where you no longer need to roll off the couch to flip a switch. These days, you just have to press a button on your phone to light up the room. If ...