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 ...

Thomas Alva Edison is an unparalleled figure in the history of the United States. Born into a middle-class family in the American Midwest during the 1840s and with little formal education, Edison ...

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 ...

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 ...

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 energy ...

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.