{"id":8204,"date":"2022-08-05T12:53:58","date_gmt":"2022-08-05T12:53:58","guid":{"rendered":"https:\/\/www.africa-press.net\/sierra-leone\/all-news\/who-knows-where-the-time-goes-new-clock-could-redefine-the-second"},"modified":"2022-08-05T12:58:21","modified_gmt":"2022-08-05T12:58:21","slug":"who-knows-where-the-time-goes-new-clock-could-redefine-the-second","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/sierra-leone\/all-news\/who-knows-where-the-time-goes-new-clock-could-redefine-the-second","title":{"rendered":"Who Knows Where the Time Goes: New Clock Could Redefine the Second"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Sierra-Leone. <\/strong><\/span>Researchers in Germany believe that they&#8217;ve found a way to create the most accurate time-keeping device ever. So accurate in fact, that if it had been ticking away since the Big Bang &#8211; 14 billion years ago &#8211; it would have lost less than 2 minutes.<\/p>\n<p>The new clock though, would require redefining the length of a second, but only by a very tiny amount. The alteration wouldn&#8217;t make a great deal of difference for the average person, in fact the change would be impossible to comprehend by the human brain, but it would have a positive effect on a number of areas.<\/p>\n<p>#Optical clock created by German team could replace atomic clock &amp; redefine time, via Optica https:\/\/t.co\/eBDHrSSUxy pic.twitter.com\/h3t1HD9yyR<\/p>\n<p>\u2014 The Optical Society (@OpticalSociety) May 25, 2016\u200b<\/p>\n<p>GPS navigation for example, would increase its accuracy massively \u2014 currently, GPS accuracy is to a few meters, but this would reduce it to a matter of just a few centimetres. Power grids and digital financial networks would also see a boost in accuracy.<\/p>\n<p>#DAMOP The magic road to precision in the strontium atomic clock https:\/\/t.co\/p0twzQ6yvm @PhysicsToday @usnistgov pic.twitter.com\/OM1zY8Zeqf<\/p>\n<p>\u2014 Charles W. Clark (@g8ge) May 24, 2016\u200b<\/p>\n<p>Whilst you might think that a second has existed as a measurement of time for hundreds of years, it&#8217;s actually only been defined in its current form since 1967, when the International System of Units defined it as the time that elapsed during 9,192,631,770 cycles of a microwave signal.<\/p>\n<p>Dr Christian Grebing, from the National Metrology Institute of Germany \u2014 who has worked on the new clock \u2014 said: &#8220;We want to improve the timekeeping infrastructure all over the world by building better and better clocks and integrating them into the time-keeping infrastructure\u2026 What we demonstrated is a first step towards a global improvement of timekeeping.<\/p>\n<p>&#8220;If you change the definition, you want a very smooth change to minimize the change in the length\u2026 Probably the change would be less than the current uncertainty of a second defined by caesium atoms.&#8221;<\/p>\n<p>The earliest clocks which displayed the time in seconds emerged during the latter half of the 16th century, and became accurately measurable as mechanical clocks became more commonplace, keeping &#8220;meantime&#8221; as opposed to &#8220;apparent time&#8221; \u2014 which was measured by sundials. The new, super accurate clock is mentioned in a paper published in the journal Optica.<\/p>\n<p><strong>For More News And Analysis About <a href=\"https:\/\/www.africa-press.net\/sierra-leone\">Sierra-Leone<\/a> Follow <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Sierra-Leone. Researchers in Germany believe that they&#8217;ve found a way to create the most accurate time-keeping device ever. So accurate in fact, that if it had been ticking away since the Big Bang &#8211; 14 billion years ago &#8211; it would have lost less than 2 minutes. The new clock though, would require [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":8203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,8,9],"tags":[291,293,292],"class_list":["post-8204","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-homepage-english","category-miscellaneous","tag-africa-press","tag-africa-press-sierra-leone","tag-sierra-leone"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Who Knows Where the Time Goes: New Clock Could Redefine the Second - Sierra Leone<\/title>\n<meta name=\"description\" content=\"Researchers in Germany believe that they&#039;ve found a way to create the most accurate time-keeping device ever. 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