Thomas Alva Edison is an unparalleled figure in the history of the United States ... In addition, his work exposed him to the business and invention sides of telegraph operations and provided contact ...

American Chemical Society: Chemistry for Life.

Ironically, Edison was deaf yet still invented the phonograph. While he did create the working phonograph — his self-identified most important invention — the original invention wasn’t ...

This story appears in the June 2017 issue of National Geographic magazine. Thomas Edison liked to say that he never failed. He succeeded every now and again with an invention that would change the ...

Thomas Jr. dreamed of his invention being installed in every car in the nation. It failed to pass basic performance tests.

Thomas Edison is best known for his contributions ... affordable and durable homes made entirely of poured concrete. Edison's ...