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  2. Gas lighting - Wikipedia

    en.wikipedia.org/wiki/Gas_lighting

    Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas. The light is produced either directly by the flame, generally by using special mixes (typically propane or butane) of illuminating gas to increase ...

  3. Gas mantle - Wikipedia

    en.wikipedia.org/wiki/Gas_mantle

    An incandescent gas mantle, gas mantle or Welsbach mantle is a device for generating incandescent bright white light when heated by a flame. The name refers to its original heat source in gas lights which illuminated the streets of Europe and North America in the late 19th century. Mantle refers to the way it hangs like a cloak above the flame.

  4. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...

  5. Dream (YouTuber) - Wikipedia

    en.wikipedia.org/wiki/Dream_(YouTuber)

    Dream (YouTuber) Clay[ 5 ] (born August 12, 1999), known online as Dream, is an American YouTuber, Twitch streamer, speedrunner, and singer primarily known for creating Minecraft content. Dream has been active online since 2014, but did not gain substantial popularity until 2019, with the release of his "Minecraft Manhunt" YouTube series.

  6. Infrared heater - Wikipedia

    en.wikipedia.org/wiki/Infrared_heater

    An infrared heater or heat lamp is a heating appliance containing a high-temperature emitter that transfers energy to a cooler object through electromagnetic radiation. Depending on the temperature of the emitter, the wavelength of the peak of the infrared radiation ranges from 750 nm to 1 mm. No contact or medium between the emitter and cool ...

  7. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Radiant heating and cooling. Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", [1] "embedded surface systems", [1] "thermally ...

  8. Gas appliance - Wikipedia

    en.wikipedia.org/wiki/Gas_appliance

    Gas appliance. A gas appliance is any appliance that uses natural gas, propane, hydrogen, etc as its power source rather than electricity. They are commonly used for space heating, water heating, cooking, and the like.

  9. Carbide lamp - Wikipedia

    en.wikipedia.org/wiki/Carbide_lamp

    A carbide lamp or acetylene gas lamp is a simple lamp that produces and burns acetylene (C 2 H 2), which is created by the reaction of calcium carbide (CaC 2) with water (H 2 O). [ 1 ] Acetylene gas lamps were used to illuminate buildings, as lighthouse beacons, and as headlights on motor-cars and bicycles. Portable acetylene gas lamps, worn on ...