Edison's 1879 bulb experiments may have unintentionally produced graphene

What do Thomas Edison and 2010 Nobel Prize in physics winners Konstantin Novoselov and Andre Geim have in common? According ...
来自MSN

What Is The Science Behind The Light Bulb?

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 ...