


{"id":3618,"date":"2023-01-30T03:47:10","date_gmt":"2023-01-29T22:17:10","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=3618"},"modified":"2025-03-26T16:47:26","modified_gmt":"2025-03-26T11:17:26","slug":"scientists-spot-1st-gamma-ray-eclipses-from-strange-spider-star-systems","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/scientists-spot-1st-gamma-ray-eclipses-from-strange-spider-star-systems\/","title":{"rendered":"Scientists spot 1st gamma-ray eclipses from strange &#8216;spider&#8217; star systems"},"content":{"rendered":"<h2><strong>About Quantum Coherence:<\/strong><\/h2>\n<ul>\n<li>It deals with the <strong>idea that all objects have wave-like properties.<\/strong>\u00a0<\/li>\n<li>It states that, <strong>if an object&#8217;s wave-like nature is split in two, then the two waves may coherently interfere with each other<\/strong> in such a way as <strong>to form a single state<\/strong> that is a <strong>superposition of the two states.<\/strong>\u00a0<\/li>\n<li>This concept of superposition is <strong>famously represented by Schr\u00f6dinger&#8217;s cat<\/strong>, which is both dead and alive at the same time when in its coherent state inside a closed box.<\/li>\n<li>It lies at the <strong>heart of quantum computing<\/strong>, in which a qubit is in a superposition of the &#8220;0&#8221; and &#8220;1&#8221; states.<\/li>\n<\/ul>\n<h3><strong>What is Quantum Entanglement?<\/strong><\/h3>\n<ul>\n<li>It means that <strong>aspects of one particle of an entangled pair depend on aspects of the other particle,<\/strong> no matter how far apart they are or what lies between them.\u00a0<\/li>\n<li>Like coherence, quantum entanglement also plays an essential role in quantum technologies.<\/li>\n<\/ul>\n<h3><strong>What is the principle of Superposition of Waves?<\/strong><\/h3>\n<ul>\n<li>It states that <strong>when two or more waves overlap<\/strong> in space, the <strong>resultant disturbance<\/strong> <strong>is<\/strong> equal to the <strong>algebraic sum<\/strong> of the individual disturbances.<\/li>\n<\/ul>\n<h3><strong>What is a Qubit?<\/strong><\/h3>\n<ul>\n<li>A qubit (or quantum bit) is the <strong>quantum mechanical analogue of a classical bit.<\/strong><\/li>\n<li>A classical binary bit can only represent a single binary value, such as 0 or 1.<\/li>\n<li>A <strong>qubit, however, can represent a 0, a 1, or any proportion of 0 and 1 in superposition<\/strong> of both states.<\/li>\n<li>In <strong>quantum computing<\/strong> the information is <strong>encoded in qubits.<\/strong><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is Quantum computing?<\/h3>\n<p>Quantum computing is a process that uses the laws of quantum mechanics to solve problems too large or complex for traditional computers. Quantum computers rely on qubits to run and solve multidimensional quantum algorithms.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/theprint.in\/science\/researchers-find-new-way-to-improve-storage-time-of-quantum-information\/1342070\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>Researchers find new way to improve storage time of quantum information<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quantum coherence deals with the idea that all objects have wave-like properties.<\/p>\n","protected":false},"author":5,"featured_media":3619,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-3618","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\/3618","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=3618"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/3618\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/3619"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=3618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=3618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=3618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}