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2. Mechanically powered flashlight - Wikipedia

   en.wikipedia.org/.../Mechanically_powered_flashlight

   Mechanically powered flashlights were distributed by aid organizations to survivors of the 2010 Haiti earthquake since electric power was lost for a long period. A mechanically powered flashlight (UK: mechanically powered torch) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need ...

3. Need to Work in the Dark? Turn to One of These Editor ... - AOL

   www.aol.com/done-dark-turn-one-rechargeable...

   Scroll down for a primer on rechargeable battery basics along with reviews of our editor-approved picks. The Best Rechargeable Flashlights Best Overall: ThruNite TC15 V3 2403 High Lumen ...

4. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   Flashlight. A set of LED flashlights. The angle-head flashlight (Fulton MX-991U) on the left uses an incandescent bulb, while the adjustable angle-head flashlight (Streamlight Sidewinder) on the right uses LEDs to give white, red, blue, and infrared light. A flashlight (US English) or electric torch (Commonwealth English), usually shortened to ...

5. Maglite - Wikipedia

   en.wikipedia.org/wiki/Maglite

   Maglite 2 D cell flashlight. Maglite (also spelled Mag-Lite, stylized as MAG-LITE) is a brand of flashlight manufactured in the United States by Mag Instrument, Inc. located in Ontario, California, and founded by Anthony Maglica. It was introduced in 1979. [1][2] Constructed principally of anodized 6061 aluminum, they have a variable-focus beam ...

6. Wikipedia : Reference desk/Archives/Science/2007 June 3

   en.wikipedia.org/wiki/Wikipedia:Reference_desk/...

   1.1 batteryless flashlights. 4 comments. 1.2 plant's Water purification. 1 comment. 1.3 Sunrise Sunset Time Differences. 7 comments.

7. Tritium radioluminescence - Wikipedia

   en.wikipedia.org/wiki/Tritium_radioluminescence

   Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the process of phosphorescence. The overall process of using a radioactive material to excite a phosphor and ...