{"id":24810,"date":"2024-07-06T02:19:42","date_gmt":"2024-07-05T20:49:42","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=24810"},"modified":"2025-04-07T13:22:14","modified_gmt":"2025-04-07T07:52:14","slug":"3d-hologram-technology","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/3d-hologram-technology\/","title":{"rendered":"3D Hologram Technology"},"content":{"rendered":"<h2>About 3D Hologram Technology:<\/h2>\n<ul>\n<li>It is a <strong>virtual three-dimensional images<\/strong> created by the interference of light beams that reflect real physical objects. Holograms preserve the depth, parallax, and other properties of the original item.\u00a0<\/li>\n<li>Unlike conventional 3D projections, <strong>holograms can<\/strong> be seen with <strong>the naked eye.<\/strong><\/li>\n<li><strong>Principle:<\/strong> It uses the principles of <strong>interference and diffraction of light waves<\/strong> to record and reconstruct 3D images of objects.<\/li>\n<li>There are <strong>two methods for creating holograms<\/strong>: computer-generated holograms for augmented reality glasses and actual holograms for optical displays.\u00a0<\/li>\n<li><strong>Application: <\/strong>It has a wide range of applications in <strong>medicine<\/strong>, the <strong>military, weather forecasting,<\/strong> virtual reality, digital art, and security.<\/li>\n<\/ul>\n<p><strong>How do holograms prevent counterfeiting?\u00a0<\/strong><\/p>\n<ul>\n<li>Holograms prevent counterfeiting because of <strong>their complexity<\/strong>, making them difficult to replicate using traditional methods.<\/li>\n<li>Holograms\u2019 intricate patterns and properties make them <strong>difficult to duplicate completely<\/strong>, which deters counterfeiters.<\/li>\n<li>Additionally, holograms are designed to be easily recognizable by trained individuals, facilitating quick identification of genuine products versus fake ones.<\/li>\n<\/ul>\n<hr \/>\n<h3>Q1: What is refraction?<\/h3>\n<p>In physics, the change in direction of a wave passing from one medium to another caused by its change in speed is called refraction. For example, waves travel faster in deep water than in shallow.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/news\/international\/japan-issues-new-yen-banknotes-packed-with-3d-hologram-technology-to-fight-counterfeiting\/article68365679.ece\" target=\"_blank\" rel=\"nofollow noopener\">Japan issues new yen banknotes packed with 3D hologram technology to fight counterfeiting<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>3D Hologram Technology is a virtual three-dimensional images created by the interference of light beams that reflect real physical objects. Holograms preserve the depth, parallax, and other properties of the original item. <\/p>\n","protected":false},"author":5,"featured_media":24811,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-24810","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/24810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=24810"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/24810\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/24811"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=24810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=24810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=24810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}