neon bulb
21Daniel McFarlan Moore — 1906 photograph taken by the light of a Moore lamp Born February 27, 1869(1869 02 27) Northumberland, Pennsylvania Died …
22Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
23Lamp (electrical component) — A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the… …
24lamp — lampless, adj. /lamp/, n. 1. any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp. 2. a container for an inflammable liquid, as oil, which is burned at a wick as a means of… …
25Centennial Light — The Centennial Light hanging in the Livermore, California Firehouse The Centennial Light is the world s longest lasting light bulb. It is at 4550 East Avenue, Livermore, California, and maintained by the Livermore Pleasanton Fire Department.[1]… …
26Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
27Christmas 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 …
28Timeline of lighting technology — Timeline of lighting technology* Since the dawn of man, about 200,000 years ago, people use the sun as their main source of light. * 70,000 BCE A hollow rock or shell or other natural found objects was filled with moss or a similar material that… …
29Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
30LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… …
