the incandescent light
111Carbon button lamp — The carbon button lamp is a single electrode incandescent lamp invented by Nikola Tesla during his effort to get around the Edison patent for the incandescent light bulb. A carbon button lamp contains a small carbon sphere positioned in the… …
112Gateway Region — The Gateway Region is located in the northeastern part of State of New Jersey in the United States of America. The area encompasses Bergen, Essex, Hudson, Passaic, Union and Middlesex counties. It is the most urban part of the state, with… …
113History of technology — The history of technology is the history of the invention of tools and techniques. Background knowledge has enabled people to create new things, and conversely, many scientific endeavors have become possible through technologies which assist… …
114Philadelphia Mint — The Philadelphia Mint was created from the need to establish a national identity and the needs of commerce in the United States. This led America s founding fathers to make an establishment of a continental national mint a main priority after the …
115List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… …
116Christmas lighting technology — has been subject to considerable development and variation since the replacement of candles by electric lights. Contents 1 Incandescent Christmas Lights 2 LEDs 3 Fiber optic lights 4 B …
117Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… …
118Edison, Thomas Alva — born Feb. 11, 1847, Milan, Ohio, U.S. died Oct. 18, 1931, West Orange, N.J. U.S. inventor. He had very little formal schooling. He set up a laboratory in his father s basement at age 10; at 12 he was earning money selling newspapers and candy on… …
119Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
120Christmas lights — This article is about the decoration. For the Coldplay song, see Christmas Lights (song). For the TV show, see Christmas Lights (television special). LED illumination in Viborg, Denmark Christmas lights are lights used for decoration around… …
