The carbon filament used in Edison’s 1897 light bulb experiments generated the precise amount of heat needed to produce ...

When researchers set out to rebuild Thomas Edison’s 1879 light bulb, they expected a history lesson, not a materials science surprise. By carefully recreating his carbon filaments and punishing them ...

More than a century before graphene was isolated in a modern lab, Thomas Edison may have been unknowingly making the wonder material inside his early light bulbs. New experiments suggest that the ...