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 ...

The various inventors of early electric lights knew essentially of ... no more than a few percent of the total radiated energy is in the light-frequency range; most of the remainder is lost ...

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 ...

Electric light bulbs had been around for decades ... Latimer would also play a big role in developing Edison’s carbon filament light bulb. He would own two patents himself relating to the ...

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 ...