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Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
Illustration of the Argand lamp, which appears in Les meirvelles de la science, published in 1867 by Louis Figuier. Francois-Pierre-Amédée Argand was born in Geneva, Republic of Geneva, the ninth of ten children.
A 230-volt incandescent light bulb with a medium-sized E27 (Edison 27 mm) male screw base. The filament is visible as the mostly horizontal line between the vertical supply wires.
An electric light, lamp, or light bulb is an electrical component that produces light.It is the most common form of artificial lighting.Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well.
A photon (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light') is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force.
Exceptional battery life. The ReMarkable tablet has an outstanding battery life, even lasting for days with consistent use. So many of our devices require daily charging, but not this tablet.
English: Diagram showing the major parts of a modern incandescent light bulb. Glass bulb; Inert gas; Tungsten filament; Contact wire (goes to the foot) Contact wire (goes to the base)
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