{"id":589,"date":"2009-06-22T11:11:44","date_gmt":"2009-06-22T11:11:44","guid":{"rendered":"https:\/\/galsys.co.uk\/news\/?p=589"},"modified":"2018-05-08T13:12:17","modified_gmt":"2018-05-08T13:12:17","slug":"what-atomic-clocks-have-done-for-us","status":"publish","type":"post","link":"https:\/\/www.galsys.co.uk\/news\/what-atomic-clocks-have-done-for-us\/","title":{"rendered":"What Atomic Clocks Have Done for Us"},"content":{"rendered":"

Atomic clocks, as many people know they are highly accurate devices but the atomic clock <\/a>is one of the most important inventions of the last 50 years and has given rise to numerous technologies and applications that have completely revolutionized our lives.<\/p>\n

You may think how a clock could be so important regardless of how accurate it is, however, when you consider that precision, that a modern atomic clock<\/a> doesn\u2019t lose a second in time in tens of millions of years when compared to the next best chronometers \u2013 electronic clocks \u2013 that can lose a second a day you get to realise just how accurate they are.<\/p>\n

In fact, atomic clocks have been crucial in identifying the smaller nuances of our world and the universe. For instance we have for millennia assumed that a day is 24 hours long but in fact, thanks to atomic clock technology we now know that the length of each day slightly differs and in general the earth\u2019s rotation is slowing down.<\/p>\n

Atomic clocks have also been used to accurately measure the earth\u2019s gravity and have even proved Einstein\u2019s theories of how gravity can slow time by accurately measuring the difference in the passing of time at each subsequent inch above the earth\u2019s surface. This has been crucial when it comes to placing satellites in orbit as time passes quicker that high above the earth than it does on the ground.<\/p>\n

Atomic clocks also form the basis for many of the technologies that we employ in our day to day lives. Satellite navigation devices rely on atomic clocks in GPS satellites. Not only do they have to take into account the differences in time above the orbit but it as sat navs use the time sent from the satellites to triangulate positions, a one-second inaccuracy would see navigational information inaccurate by thousands of miles (as light travels nearly 180,000 miles every second).<\/p>\n

Atomic clocks are also the basis for the world\u2019s global timescale \u2013 UTC <\/a>(Coordinated Universal Time), which is utilised by computer networks throughout the world. Time synchronization to an atomic clock and UTC is relatively straight forward with a NTP time server<\/a>. These use the time signal from the GPS system or special transmissions broadcast from large scale physics labs<\/a> and then distribute it across the internet using the time protocol NTP<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Atomic clocks, as many people know they are highly accurate devices but the atomic clock is one of the most important inventions of the last 50 years and has given rise to numerous technologies and applications that have completely revolutionized our lives. You may think how a clock could be so important regardless of how…<\/p>\n

Continue reading <\/i><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5,6,13,14],"tags":[201,18,19,27],"class_list":["post-589","post","type-post","status-publish","format-standard","hentry","category-atomic-clocks","category-chronology","category-gps","category-time-synchronisation","category-timing-source","tag-chronology","tag-gps-clock","tag-gps-ntp-server","tag-ntp-gps-server"],"yoast_head":"\nWhat Atomic Clocks Have Done for Us - Galleon Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.galsys.co.uk\/news\/what-atomic-clocks-have-done-for-us\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Atomic Clocks Have Done for Us - Galleon Systems\" \/>\n<meta property=\"og:description\" content=\"Atomic clocks, as many people know they are highly accurate devices but the atomic clock is one of the most important inventions of the last 50 years and has given rise to numerous technologies and applications that have completely revolutionized our lives. 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