On New Year's Eve, 1879, Thomas Edison unveiled his newest invention: the electric light. Reporters came from all over the U.S. to see Edison's Menlo Park lab lit up with his incandescent bulbs.

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

Edison came up with lots of great inventions and here he stumbles upon an important development in the way people answer the telephone. Today is the 170th anniversary of the birth of one the world ...