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2. Halogen lamp - Wikipedia

   en.wikipedia.org/wiki/Halogen_lamp

   A halogen lamp (also called tungsten halogen, quartz-halogen, and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as iodine or bromine. The combination of the halogen gas and the tungsten ...

3. 30 Times When Being Cheap Will Cost You - AOL

   www.aol.com/30-times-being-cheap-cost-150000316.html

   Continuing to Use Incandescent Light Bulbs. You can keep buying incandescent or halogen bulbs if you'd like, but you're wasting time and money. A $1 incandescent bulb lasts 1,200 hours, requires ...

4. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   Objections to banning the use of incandescent light bulbs include the higher initial cost of alternatives and lower quality of light of fluorescent lamps. Some people have concerns about the health effects of fluorescent lamps. Efforts to improve efficacy Xenon halogen lamp with an E27 base, which can replace a non-halogen bulb

5. Phase-out of incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_incandescent...

   Phase-out of incandescent light bulbs. Various governments have passed legislation to phase out manufacturing or importation of incandescent light bulbs for general lighting in favor of more energy- efficient alternatives. The regulations are generally based on efficiency, rather than use of incandescent technology.

6. These are the best — and worst — lightbulbs for the planet

   www.aol.com/lifestyle/best-worst-lightbulbs...

   While halogen bulbs, like incandescent, contain a filament made of the metal tungsten, they are, in this case, encased in a quartz envelope (as glass would melt from the heat); the gas inside is ...

7. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   A compact fluorescent lamp ( CFL ), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs. The lamps use a tube that is curved or folded to fit into the space of an ...