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App\Entity\MediaTranslation
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App\Entity\MediaTranslation {#1397 -id: 6926 -title: "The clock" -description: """ <p>What time is it?</p>\r\n \r\n <p><strong>Click</strong> and <strong>rotate</strong> the hands to set the time.</p> """ -legends: """ Digital clock\r\n 24 h\r\n 12 h """ -goals: null -more: """ <p>To measure the passage of time. A true challenge for the physicist. <strong>Space </strong>and <strong>Time </strong>are the two fundamental concepts in Physics. It is only since Einstein that the two concepts have been united into a single one – that of “space-time”, but that’s another story.<br />\r\n <br />\r\n The study of the evolution of systems in time or in space requires the possession of measuring instruments. It was undoubtedly easier to invent distance measuring instruments than time measuring ones. Man invented the <strong>sundial </strong>(how to tell the time at night, or in cloudy weather?), the <strong>water clock</strong> (clepsydra), the <strong>hourglass</strong>, the <strong>merkhet</strong>, each one more imprecise and more complex than the others.<br />\r\n <br />\r\n Then, beginning in the 14th century, the <strong>mechanical clock</strong> was invented, with a system of toothed wheels (not very academic) and a needle to indicate the hours (the device was too imprecise to be bothered with minutes).<br />\r\n <br />\r\n The work with pendulums of the great Dutch physicist/mathematician <strong>Huygens</strong>, around 1650, led to the true clock, with a pendulum and a counterweight, that we know today. The increased precision permitted the display of minutes.<br />\r\n <br />\r\n Keep in mind that the clock marked a secularization of the measurement of time. Time had belonged to the bells, to the belfries and thus to God. The clock enters the home, and time belongs to everyone.<br />\r\n <br />\r\n Huygens also invented a <strong>balance spring clock</strong>, which used a spring to replace the pendulum, which led to the appearance of the first true <strong>watches</strong>. <strong>Miniaturization </strong>was thus already a technological issue at the end of the 17th century, when time became “portable”. Imagine the revolution: time at a hand’s reach.<br />\r\n <br />\r\n The more recent developments, which we all know, are technological in nature, and belong to the 20th century: the <strong>quartz watch</strong> appeared and <strong>digital displays</strong> brought a new way of displaying the time.<br />\r\n <br />\r\n To be continued.</p> """ -scenario: null -features: "<p><strong>Click</strong> and <strong>rotate</strong> the hands to set the time.</p>" -publishedAt: DateTimeImmutable @1431302400 {#1394 : 2015-05-11 00:00:00.0 UTC (+00:00) } -preventIndexForSearch: false #locale: "en" #translatable: App\Entity\Media {#1308 …} #status: "published" #createdAt: DateTime @1208988000 {#1395 : 2008-04-23 22:00:00.0 UTC (+00:00) } #updatedAt: DateTime @1702917400 {#1396 : 2023-12-18 16:36:40.0 UTC (+00:00) } } |
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[ 0 => "internal_api_media" "internal_api_media_options" => [ "withBaseNodeName" => true ] ] |
MediaTranslationNormalizer (339.14 ms) | 339.33 ms |
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