Invention


Light Bulbs: 2nd Habit of Energy-Efficient Homes

Who invented the light bulb?  Most of us would say Thomas Edison, but this isn’t entirely correct.  The light bulb used everywhere today actually passed through several pairs of hands before Edison touched it, including those of the English scientist Humphry Davy and the English physicist Sir Joseph Swan http://www.unmuseum.org/lightbulb.htm. Regardless of who gets the […]