Feit Electric has not licensed its white filament patents to any other light bulb supplier. Owning or having a license in any other patent that is supposedly directed to white filaments does not ...

Does light lose energy as it crosses the universe ... the problem with Swan's design was the filament. A thin filament with high electrical resistance would make a lamp practical because it ...

From the as-usual excellent Wikipedia summary: A LED filament light bulb is a LED lamp which is designed ... The base of this bulb, like that of the charging base for the rechargeable electric ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

The bulb’s 60-watt, carbon-filamented birth can be traced back to the late 1890s, when Ohio’s former Shelby Electric Company sent it to Dennis Bernal, who owned the Livermore Power and Light ...

Today you'll find a remarkable light bulb burning bright at ... Ripley's Believe It Or Not, and General Electric agree the four-watt, carbon filament bulb is the longest-living in history, despite ...