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.
Light bulbs were in use long before Edison applied for the patent in 1879. British inventor Humphry Davy invented an incandescent light bulb in 1801 and created the âarc lampâ in 1809. In 1835, Scottish inventor James Bowman Lindsay demonstrated a constant electric light in Dundee.In 1840, British scientist Warren de la Rue also demonstrated a light bulb.ritish inventor Humphry Davy invented an incandescent light bulb in 1801 and created the âarc lampâ in 1809. In 1835, Scottish inventor James Bowman Lindsay demonstrated a constant electric light in Dundee.