Electric light be made with a screw-thread base, two metal pins, two metal caps or a bayonet cap. The three main categories of electric lights are incandescent lamps, which produce light by a filament heated white-hot by electric current, gas-discharge lamps, which produce light by means of an electric arc through a gas, and LED lamps, which produce light by a flow of electrons across a band gap in a semiconductor. Before electric lighting became common in the early 20th century, people used candles, gas lights, oil lamps, and fires. Cornish chemist Humphry Davy developed the first incandescent light in 1802, followed
Electric President Electric President Electric President is a Jacksonville, Florida musical group started in 2003 by Ben Cooper and Alex Kane. Both were in Helicopter Project prior to its breakup though no music from this group was ever released. Afterwards the pair decided to continue to make music together. They subsequently completed three albums in six months. Ben Cooper is also a member of Radical Face (Formerly known as Radical Face Versus Phalex Sledgehammer), Iron Orchestra, and Mother's Basement. The Electric President tracks and most of Ben Cooper's projects are recorded in a tool shed in back of his house that he