Thomas Edison is known for his discoveries of several devices like the light bulb and the phonograph. What is not so well known is that he once owned the largest cement plant in the world. It is said that he dreamt of a future in which millions of Americans would not only live in concrete …
Thomas Edison is known for his discoveries of several devices, famous among them being the light bulb and the phonograph. What is not so well known is that he once owned the largest cement plant in the world. It is said that he dreamt of a future in which millions of Americans would not only …
