In the age of the LED light bulb, consumers have an unfathomable range of lighting options. This has, perversely, made the ...

At Menlo Park Edison led a comprehensive survey of filament materials, selecting carbonized bamboo for his first commercial electric light bulb. Adapted for the internet from “Thomas Edison, Chemist” ...

This made Edison's light bulb not only durable but also economical, and this was a crucial factor for mass usage. Thomas ...

This is a video recording of Francis Jehl discussing his experience working with Thomas Edison in 1879 and helping to make the first practically viable light bulb in history.

You might have learned in school that Thomas Edison invented the light bulb, but the truth is much stranger (public domain) It has been known for a long time that passing a current through a wire ...

This is the Edison clock, designed by [David Krawczyk ... You can see the series of holes on the front of the base. These have a small light bulb socked in each, and correspond to hours and ...

The two American innovators – Thomas Edison, the inventor of both the electric light bulb and the phonograph ... Discover myriad works of public art during your time in the River District ...