Circuits are the key to electricity and in household use and we use it every day in our lives so we can see things when it is dark, and use it to see to make food and use appliances in your home. In 1878 Edison was able to make something so incredible that the world would change forever. And the would throw the world's technology and history for so big of a loop that it would revolutionize the world and it was the light bulb. Edison placed filament inside a glass bulb and spent months searching for an affordable filament that produces the most light. In 1880 they used the bamboo filament. And it seems it worked. Thomas Edison found his support for this project from J.P. Morgan and Edison told him it would be way safer than gas and also way