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  2. Lava lamp - Wikipedia

    en.wikipedia.org/wiki/Lava_lamp

    Lava lamps An original Mathmos Astro lava lamp A lava lamp is a decorative lamp , invented in 1963 by British entrepreneur Edward Craven Walker , the founder of the lighting company Mathmos . It consists of a bolus of a special coloured wax mixture inside a glass vessel, the remainder of which contains clear or translucent liquid.

  3. Infrared lamp - Wikipedia

    en.wikipedia.org/wiki/Infrared_lamp

    Infrared lamps are electrical devices which emit infrared radiation. Infrared lamps are commonly used in radiant heating for industrial processes and building heating. [ 1] Infrared LEDs are used for communication over optical fibers and in remote control devices. Infrared lamps are also used for some night vision devices where visible light ...

  4. Halogen lamp - Wikipedia

    en.wikipedia.org/wiki/Halogen_lamp

    Halogen lamps made for 12 to 24 volt operation have good light outputs, and the very compact filaments are particularly beneficial for optical control (see picture). The ranges of multifaceted reflector "MR" lamps of 20–50 watts were originally conceived for the projection of 8 mm film, but are now widely used for display lighting and in the ...

  5. Sodium-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Sodium-vapor_lamp

    A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm . Two varieties of such lamps exist: low pressure and high pressure. Low-pressure sodium lamps are highly efficient electrical light sources, but their yellow light restricts applications to outdoor ...

  6. The best accessories for your new OLED TV - Engadget

    www.engadget.com/oled-tv-accessory-guide...

    And if you own Philips Hue smart lights, you should consider the Ambiance LightStrip Plus. Hue lights can also work with the company's HDMI box, which can synchronize your lighting with the images ...

  7. GravityLight - Wikipedia

    en.wikipedia.org/wiki/GravityLight

    GravityLight. GravityLight was a gravity-powered lamp manufactured until 2019. It was designed by the company Deciwatt for use in developing or third-world nations, as a replacement for kerosene lamps. It uses a bag filled with rocks or earth, attached to a cord, which slowly descends similar to the weight drive in a cuckoo clock.

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