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A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...
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Blacklight is an open-source Ruby on Rails engine for creating search interfaces on top of Apache Solr indices. The software is used by libraries to create discovery layers or institutional repositories ; by museums and archives to highlight digital collections; and by other information retrieval projects.
1 I would like to thank Ranking Member John Conyers, Jr. and Congresswomen Sheila Jackson Lee, Frederica Wilson and Corrine Brown for inviting the American Civil Liberties Union (“ACLU”) to testify at today’s Democratic forum on “The Role of the Federal Government and Hate Crimes."
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Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... A black light is a lamp which operates near the ultraviolet range of light
Pictures with messages visible under blacklight. A blacklight poster or black light poster is a poster printed with inks which fluoresce under a blacklight. [1] The inks used contain phosphors which cause them to glow when exposed to ultraviolet light emitted from blacklights. [2] [3]