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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.
Bubble lights are a type of incandescent novelty light that acquired some popularity during the 1950s. [ citation needed ] Their main feature is a sealed glass tube with a colored bubbling liquid inside, created by the heat from the incandescent light.
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.
Some of the luminaries are the traditional bag shape, while others are large cans. [25] They have been on display since before 2002, when even more were added. [26] In West Valley City, Utah, luminarias are used to light the path during the Walk with Santa held the first Monday of December every year. The display features over 300 luminarias.
Symmetrical Diwali diyas Women selling Bamboo diyas near Bhadrachalam A diya lamp with swastika engraved interior. A diya, diyo, deya, [1] deeya, dia, divaa, deepa, deepam, deep, deepak or saaki (Sanskrit: दीपम्, romanized: Dīpam) is an oil lamp made from clay or mud with a cotton wick dipped in oil or ghee.
Like all incandescent light bulbs, a halogen lamp produces a continuous spectrum of light, from near ultraviolet to deep into the infrared. [23] Since the lamp filament can operate at a higher temperature than a non-halogen lamp, the spectrum is shifted toward blue, producing light with a higher effective color temperature and higher power ...
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