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  2. Bubble light - Wikipedia

    en.wikipedia.org/wiki/Bubble_light

    Common screw-in bubble light. A bubble light is a decorative device consisting of a liquid-filled vial that is heated and illuminated by an incandescent light bulb.Because of the liquid's low boiling point, 39.6°C (103.3°F), the modest heat generated by the lamp causes the liquid to boil and bubble up from the vial's base thus creating a decorative effect.

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  4. Holiday lighting technology - Wikipedia

    en.wikipedia.org/wiki/Holiday_lighting_technology

    Holiday lighting technology has been subject to considerable development and variation since the replacement of candles by electric lights. [ citation needed ] While originally used during the Christmas holidays as Christmas lights , modern electric light arrays have become popular around the world in many cultures and are used both during ...

  5. Lava lamp - Wikipedia

    en.wikipedia.org/wiki/Lava_lamp

    A blue lava lamp. A classic lava lamp contains a standard incandescent or halogen lamp which heats a tall (often tapered) glass bottle. A formula from a 1968 US patent consisted of water and a transparent, translucent, or opaque mix of mineral oil, paraffin wax, and carbon tetrachloride.

  6. Sonoluminescence - Wikipedia

    en.wikipedia.org/wiki/Sonoluminescence

    The light and heat produced by the bubble may have no direct significance, as it is the shockwave produced by the rapidly collapsing bubble which these shrimp use to stun or kill prey. However, it is the first known instance of an animal producing light by this effect and was whimsically dubbed "shrimpoluminescence" upon its discovery in 2001. [27]

  7. List of light sources - Wikipedia

    en.wikipedia.org/wiki/List_of_light_sources

    This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

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