USA HISTORY

Detailed explanation-1: -One of the most famous and prolific inventors of all time, Thomas Alva Edison exerted a tremendous influence on modern life, contributing inventions such as the incandescent light bulb, the phonograph, and the motion picture camera, as well as improving the telegraph and telephone.

Detailed explanation-2: -By January 1879, at his laboratory in Menlo Park, New Jersey, Edison had built his first high resistance, incandescent electric light. It worked by passing electricity through a thin platinum filament in the glass vacuum bulb, which delayed the filament from melting.

Detailed explanation-3: -Known as the “Wizard of Menlo Park, ” for the New Jersey town where he did some of his best-known work, Edison had become one of the most famous men in the world by the time he was in his 30s.

Detailed explanation-4: -In the spring of 1869, Edison decided to move from Boston to New York in order to test another invention, his double transmitter for sending two messages over one wire.