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Streetlamp with a ceramic metal halide bulb Ceramic metal halide bulb with G12 socket. A ceramic metal-halide lamp (CMH), also generically known as a ceramic discharge metal-halide (CDM) lamp, [1] is a type of metal-halide lamp that is 10–20% more efficient than the traditional quartz metal halide [2] and produces a superior color rendition (80-96 CRI).
Nernst lamps did not use a glowing tungsten filament. Instead, they used a ceramic rod that was heated to incandescence.Because the rod (unlike tungsten wire) would not further oxidize when exposed to air, there was no need to enclose it within a vacuum or noble gas environment; the burners in Nernst lamps could operate exposed to the air and were only enclosed in glass to isolate the hot ...
A glow stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source. It consists of a translucent plastic tube containing isolated substances that, when combined, make light through chemiluminescence. The light cannot be turned off and can be used only once.
Community peer review is needed for the article to enter one of the quality classes: either "good article", "A" or the highest, "featured article". Of the about 6.5 million articles and lists assessed as of April 2022, more than 6,000 (0.09%) are featured articles, and fewer than 4,000 (0.06%) are featured lists.
Hoya carnosa Hoya mindorensis, Sydney, Australia.. Hoya is a genus of over 500 species of plants in the dogbane family, Apocynaceae, commonly known as waxflowers. [2] Plants in the genus Hoya are mostly epiphytic or lithophytic vines, rarely subshrubs, with leathery, fleshy or succulent leaves, shortly tube-shaped or bell-shaped flowers with five horizontally spreading lobes, the flowers in ...
Turn Out the Lights holds a score of 83 out of 100 on the review aggregator website Metacritic based on 24 reviews, indicating "universal acclaim" from critics. [10] In a review for The A.V. Club, Kyle Ryan wrote that "As Baker digs into mental health, relationships, faith, and adulthood, Turn Out The Lights is, understandably, absolutely crushing... it is beautifully crafted throughout, full ...
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