My mom had fluid drained from her lung, which came back as cancer. We are waiting for pathology to come back to see if they can determine the source. The fluid is re-accumulating at at rapid rate and she is in so much pain.
Thomas Edison is usually credited with the invention of the light bulb, but the famous American inventor wasn't the only one who contributed to the development of this revolutionary technology.
In 1872, Russian engineer Alexander Lodygin invented an incandescent light bulb for which was awarded a Russian patent in 1874. In 1877, William E. Sawyer developed a incandescent light in partnership with Albon Man.n 1872, Russian engineer Alexander Lodygin invented an incandescent light bulb for which was awarded a Russian patent in 1874. In 1877, William E. Sawyer developed a incandescent light in partnership with Albon Man.