How Did Thomas Edison Become More Efficient?

271 Words2 Pages
Thomas Edison left behind many things in this world. He invented the first telegraph, light bulb, vita scope, microscope, movie camera, typewriter, electric pen, and alkaline storage battery. When Thomas edison died in 1931 he left behind 3,500 notebooks that are now locked in a laboratory in New Jersey. Inside the notebooks gave a wide span of all of Edison’s notes and idea over his 60 year career. Edison created a direct current (DC) that would send electricity in a straight path like a battery. However the voltage couldn’t be increased or decreased. Although Thomas’s ideas were extraordinary Nikola Tesla had other ideas that he believed were better and more efficient. Tesla invented some of the first things that we use today such as; violet