These bulbs lasted longer ... 1962: First light-emitting diode (LED) is invented While working for General Electric, Nick Holonyak Jr., invented the first visible-spectrum LED in the form of ...

Everyone knows Thomas Edison invented the light bulb. Holonyak should receive the same treatment, since he, in a way, invented the modern equivalent. Though not his only invention, by far Holonyak ...

Swan continued to develop his invention and in 1880 his friend William Armstrong's house at Cragside, near Rothbury in Northumberland, was the first private home to be lit by electric light bulbs.

Tube light is a slang used to describe nitwits. We are all too familiar with the bulb switching on in comic stips. And, of course, they save us from having to live in the dark ages. But how much ...

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 ...