Benjamin Franklin discovered how to use electricity. Thomas Edison used that to create the light bulb. But what about the ...

SAN FRANCISCO (AP) — Get ready to say goodbye to the once ubiquitous incandescent light bulb, pioneered by Thomas Edison more than a century ago. You can thank — or blame — new federal ...

File - An 1881 incandescent light bulb with the name Edison etched onto it is displayed at the Edison Museum in Edison, N.J., Wednesday, Feb. 7, 2007.

Edison’s first practical light bulb used a carbonized cotton thread for that purpose; modern bulbs use tungsten filaments in an inert gas. But incandescents are not very efficient. Only roughly 5% of ...

Edison’s first practical light bulb used a carbonized cotton thread for that purpose; modern bulbs use tungsten filaments in an inert gas. But incandescents are not very efficient.

SAN FRANCISCO (AP) — Get ready to say goodbye to the once ubiquitous incandescent light bulb, pioneered by Thomas Edison more than a century ago. You can thank — or blame — new federal ...