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 ...

Early carbon light bulbs may have produced graphene, since applying voltage to carbon filaments mirrors what is now called flash Joule heating. Graphene is a transparent, remarkably strong substance, ...

What do Thomas Edison and 2010 Nobel Prize in physics winners Konstantin Novoselov and Andre Geim have in common? According to a recent publication from the lab of Rice University’s James Tour, it ...