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  2. Halogen TV - Wikipedia

    en.wikipedia.org/wiki/Halogen_TV

    Halogen TV was an American digital cable and satellite television channel that aired feature-length films, documentaries, short films, and original reality programs that centered on making positive social changes and making the world a better place.

  3. Halogen - Wikipedia

    en.wikipedia.org/wiki/Halogen

    In the modern IUPAC nomenclature, this group is known as group 17. [5] The word "halogen" means "salt former" or "salt maker". When halogens react with metals, they produce a wide range of salts, including calcium fluoride, sodium chloride (common table salt), silver bromide and potassium iodide.

  4. 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 ...

  5. List of defunct television networks in the United States

    en.wikipedia.org/wiki/List_of_defunct_television...

    Muslim television network. i-Life TV: The Inspiration Networks: October 24, 2009 Replaced by Halogen TV. PTL Satellite Network: Jim and Tammy Faye Bakker: 1989: Launched in 1974. Collapsed in the wake of a sex and embezzlement scandal that resulted in Jim Bakker being sentenced to prison. Relaunched as PTL Television Network in 2015. The ...

  6. Pivot (TV network) - Wikipedia

    en.wikipedia.org/wiki/Pivot_(TV_network)

    Pivot was an American digital cable and satellite television network owned by Participant Media that aired programming that focused on social issues and activism. The channel, targeted at young adults between 18 and 34 years old, debuted on August 1, 2013. [1] [2] [3] The channel ceased operations on October 31, 2016. [4]

  7. Documentary Channel (American TV channel) - Wikipedia

    en.wikipedia.org/wiki/Documentary_Channel...

    The Documentary Channel was an American digital cable and satellite television network that featured documentary programming. [1] It aired independent documentary films [2] from around the world, including those not released in the United States. The channel (along with Halogen TV) was replaced by Pivot, [3] a channel aimed at young adults ...

  8. History of television - Wikipedia

    en.wikipedia.org/wiki/History_of_television

    History of television. Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a ...

  9. Electric light - Wikipedia

    en.wikipedia.org/wiki/Electric_light

    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. The electrical connection to the socket ...