{"id":176244,"date":"2024-11-16T13:11:10","date_gmt":"2024-11-16T13:11:10","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/11\/16\/readers-ask-about-self-correcting-quantum-computers-ooblecks-experimental-value\/"},"modified":"2024-11-16T13:11:10","modified_gmt":"2024-11-16T13:11:10","slug":"readers-ask-about-self-correcting-quantum-computers-ooblecks-experimental-value","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/11\/16\/readers-ask-about-self-correcting-quantum-computers-ooblecks-experimental-value\/","title":{"rendered":"Readers ask about self-correcting quantum computers, oobleck&#8217;s experimental value"},"content":{"rendered":"<div style=\"text-align:center\"><\/div> \r\n<br><div data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n<div class=\"wp-block-image  has-alignleft\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/www.sciencenews.org\/sn-magazine\/october-5-2024\"><\/a><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">Experimenting with food<\/h2>\n\n\n\n<p><em>Mayonnaise\u2019s texture is perfect for mimicking what a fuel capsule goes through when it\u2019s blasted with lasers to ignite nuclear fusion, <strong>Emily Conover<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/mayonnaise-nuclear-fusion\">Mayonnaise may shed light on nuclear fusion experiments<\/a>\u201d (SN: 10\/5\/24, p. 5).<\/em><\/p>\n\n\n\n<p>Reader <strong>Linda Ferrazzara<\/strong> wondered if mayo qualifies as a non-Newtonian fluid, one whose viscosity changes depending on the stress applied to it. If so, could researchers instead use oobleck \u2014 a non-Newtonian fluid made from cornstarch and water \u00ad\u2014 as a stand-in for nuclear fuel capsules in experiments? <strong>Ferrazzara<\/strong> asked. Oobleck might be easier to keep consistent between experiments than mayo, which has different formulations depending on the brand.<\/p>\n\n\n<aside class=\"sn-conversion rich-text rich-text--with-sidebar\">\n<style><![CDATA[\n.email-conversion {\n  border: 1px solid #ffcccb;\n  color: white;\n  margin-top: 50px;\n  background-image: url(\"\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg\");\n  padding: 20px;\n  clear: both;\n}\n\n]]><\/style>\n\n\n\n                        <style class=\"is-layout-flow 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unset);line-height:unset;margin:unset;padding:unset;border:unset;background:unset;&:hover, &:focus-visible {\n            border: unset;\n            background: unset;\n        }}.zephr-form-disabled-div{pointer-events:none;opacity:0.8}.zephr-form-relative-container{position:relative}.zephr-form-flex-container{display:flex}.zephr-form-input-inner-button{cursor:pointer;position:absolute;top:50%;transform:translateY(-50%);right:5px;padding:10px 5px}.zephr-form-input-inner-text{color:var(--zephr-color-text-main);font-size:var(--zf-subtext-fontSize);font-weight:bold;font-family:var(--zf-root-fontFamily)}\n]]><\/style>\n                        \n                        <style><![CDATA[.zephr-form-max-width.zephr-payment-form-max-width {\n    background-image: url(https:\/\/www.sciencenews.org\/wp-content\/themes\/sciencenews\/client\/src\/images\/cta-module@2x.jpg);\n    padding:20px;\n    max-width: 100%;\n}\n\n.zephr-form-custom-text > p {\n    display: none;\n}\n\nform.zephr-form-content {\n    opacity: .9;\n}\n\nlabel.zephr-form-checkbox-label {\n    font-size: 1.2rem;\n    font-weight: bolder;\n}\n\n.zephr-form-custom-text > h4 {\n    color: black !important;\n}\n\nbutton.zephr-form-button {\n    background: #d4441f !important;\n    font-weight: bold !important;\n    text-transform: uppercase !important;\n}\n\nlabel.zephr-payment-form-checkbox-label {\n    color: white;\n    font-size: 1.6rem;\n}\n\n.zephr-form-content {\n    background:#2f537f;\n    \n}\n\n.zephr-payment-form-custom-text {\n    margin-top: .2rem;\n}\n\n.zephr-payment-form-checkbox-label {\n    display: flex;\n    align-items: center;\n    font-family: var(--zephr-typography-body-font), var(--zephr-typography-body-fallbackFont);\n    color: white;\n    font-weight: bold;\n}]]><\/style>\n                        \n                        \n<\/aside>\n\n\n<p>Mayonnaise is a non-Newtonian fluid, says mechanical engineer <strong>Arindam Banerjee<\/strong> of Lehigh University in Bethlehem, Pa. But oobleck would not work for fusion experiments. The substance gets thicker, or more viscous, when hit by an outside force \u2014 a phenomenon called shear thickening. So it \u201cwould freeze up when we spin our experiment,\u201d <strong>Banerjee<\/strong> says. Mayo is the opposite: It gets less viscous.<\/p>\n\n\n\n<p>Repeatability is crucial to the team\u2019s scientific process, so the materials used in each experiment need to be well-characterized and consistent, <strong>Banerjee<\/strong> says. \u201cWe have used Hellmann\u2019s Real Mayonnaise for the last 12 years. We measure properties of each batch and have found them to be remarkably consistent. We do not make our own mayonnaise,\u201d he says. \u201cPrior to picking mayonnaise, we tried yogurt. But my students at that time were not able to replicate the yogurt consistency and thus the properties were different, leading to large variations in observed behavior.\u201d<\/p>\n\n\n\n<div class=\"wp-block-sciencenews-content-sidebar\">\n<h3 class=\"wp-block-heading\">Move over, Simone Biles!<\/h3>\n\n\n\n<p>A globular springtail can backflip (shown below) at a rate of 368 spins per second, <strong>Jonathan Lambert<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/arthropod-world-fastest-backflip\">How an arthropod does the world\u2019s fastest backflip<\/a>\u201d (<em>SN: 10\/5\/24, p. 4<\/em>). X user <strong>@FluronaVirus<\/strong> wrote: \u201cThat\u2019s incredible! The agility of globular springtails is truly remarkable. High-speed camera footage capturing their spin rate is a fascinating insight into their aerial abilities. Nature never ceases to amaze with its wonders.\u201d<\/p>\n\n\n<div class=\"wp-block-image  has-aligncenter\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"473\" src=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/11\/111624_feedback_inline.jpg?fit=680%2C473&amp;ssl=1\" alt=\"\" class=\"wp-image-3146176\" srcset=\"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/11\/111624_feedback_inline.jpg?w=680&amp;ssl=1 680w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/11\/111624_feedback_inline.jpg?resize=551%2C383&amp;ssl=1 551w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/11\/111624_feedback_inline.jpg?resize=647%2C450&amp;ssl=1 647w, https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/11\/111624_feedback_inline.jpg?resize=267%2C186&amp;ssl=1 267w\" sizes=\"(max-width: 680px) 100vw, 680px\"\/><figcaption><span class=\"credit wp-credit-3146176\">ADRIAN SMITH<\/span><\/figcaption><\/figure><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Machines make mistakes<\/h2>\n\n\n\n<p><em>A quantum computer improved its results by repeatedly correcting its mistakes midcalculation, <strong>Emily<\/strong> <strong>Conover<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/quantum-computer-error-correction\">A quantum computer fixes its errors<\/a>\u201d (SN: 10\/5\/24, p. 6).<\/em><\/p>\n\n\n\n<p>X user <strong>@Lightning456243<\/strong> asked how a quantum computer can identify its own errors.<\/p>\n\n\n\n<p>\u201cQuantum computers correct their own errors by inserting some redundancy in their data and periodically checking whether the information is still self-consistent,\u201d <strong>Conover<\/strong> says.<\/p>\n\n\n\n<p>Classical computers do this too by copying bits, which have a value of either 0 or 1. For instance, 1 can be copied three times to become 111. If one of those bits gets unintentionally flipped (say, 111 becomes 110), the mismatch between the three bits would indicate an error. By looking at which value is the majority, the computer can identify which bit needs fixing.<\/p>\n\n\n\n<p>The complexities of quantum physics complicate this process, but quantum computers likewise encode information redundantly, <strong>Conover <\/strong>says. Rather than directly copying individual quantum bits, however, the <a href=\"https:\/\/www.sciencenews.org\/article\/quantum-computers-hype-supremacy-error-correction-problems\">computers spread the information between multiple quantum bits that are entangled<\/a>, or linked (<em>SN: 6\/20\/20, p. 18<\/em>).<\/p>\n\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/self-correcting-quantum-computers\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>Experimenting with food Mayonnaise\u2019s texture is perfect for mimicking what a fuel capsule goes through when it\u2019s blasted with lasers to ignite nuclear fusion, Emily Conover reported in \u201cMayonnaise may shed light on nuclear fusion experiments\u201d (SN: 10\/5\/24, p. 5). Reader Linda Ferrazzara wondered if mayo qualifies as a non-Newtonian fluid, one whose viscosity changes [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":176245,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/10\/100524_cover_680.jpg?fit=680%2C879&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[12489,14877,137886,7338,4885,137885],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/176244"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=176244"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/176244\/revisions"}],"predecessor-version":[{"id":176246,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/176244\/revisions\/176246"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/176245"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=176244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=176244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=176244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}