Traduction et analyse de mots par intelligence artificielle ChatGPT
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Qu'est-ce (qui) est flashlight - définition
![Flashlight in the shape of a gun (mid-20th century) from the permanent collection of the [[Museo del Objeto del Objeto]]](https://commons.wikimedia.org/wiki/Special:FilePath/Auroralighter.JPG?width=200 "Flashlight in the shape of a gun (mid-20th century) from the permanent collection of the [[Museo del Objeto del Objeto]]")
![halogen penlight]] to observe [[pupillary light reflex]]](https://commons.wikimedia.org/wiki/Special:FilePath/Halogenlight.JPG?width=200 "halogen penlight]] to observe [[pupillary light reflex]]")
![[[IPhone XR]] Flashlight](https://commons.wikimedia.org/wiki/Special:FilePath/IPhone XR Flashlight.jpg?width=200 "[[IPhone XR]] Flashlight")
![Two LED flashlight extremes: Olight SR90, 2,200 lumens (left), Foursevens Mini MLR2, 180 lumens (middle), [[AA battery]] for size comparison (right)](https://commons.wikimedia.org/wiki/Special:FilePath/Sr90 qmini.jpg?width=200 "Two LED flashlight extremes: Olight SR90, 2,200 lumens (left), Foursevens Mini MLR2, 180 lumens (middle), [[AA battery]] for size comparison (right)")
![LEDs]] to give white, red, blue, and [[infrared]] light](https://commons.wikimedia.org/wiki/Special:FilePath/USMC flashlights.jpg?width=200 "LEDs]] to give white, red, blue, and [[infrared]] light")
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Wikipédia
A flashlight (US, CA) or torch (UK, AU) is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb, but these have been displaced by light-emitting diodes (LEDs) since the mid-2000s. A typical flashlight consists of the light source mounted in a reflector, a transparent cover (sometimes combined with a lens) to protect the light source and reflector, a battery, and a switch, all enclosed in a case.
The invention of the dry cell and miniature incandescent electric lamps made the first battery-powered flashlights possible around 1899. Today, flashlights use mostly light-emitting diodes and run on disposable or rechargeable batteries. Some are powered by the user turning a crank, shaking the lamp, or squeezing it. Some have solar panels to recharge the battery. Flashlights are used as a light source outdoors, in places without permanently installed lighting, during power outages, or when a portable light source is needed.
In addition to the general-purpose, hand-held flashlight, many forms have been adapted for special uses. Head- or helmet-mounted flashlights designed for miners and campers leave the hands free. Some flashlights can be used under water or in flammable atmospheres.
